:root {
  color-scheme: light dark;
  --safe-area-top: env(safe-area-inset-top, 0px);
  --safe-area-right: env(safe-area-inset-right, 0px);
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);
  --safe-area-left: env(safe-area-inset-left, 0px);
  --font-sans: "Avenir Next", "Segoe UI", "Helvetica Neue", Helvetica, sans-serif;
  --font-mono:
    "SFMono-Regular", ui-monospace, "JetBrains Mono", "Menlo", "Monaco",
    "Cascadia Mono", "Segoe UI Mono", monospace;
  --bg: #eef3f8;
  --bg-strong: #f7fafc;
  --surface: rgba(255, 255, 255, 0.76);
  --surface-strong: rgba(255, 255, 255, 0.94);
  --surface-muted: rgba(255, 255, 255, 0.6);
  --text-primary: #112033;
  --text-secondary: #42556d;
  --text-muted: #64748b;
  --border: rgba(17, 32, 51, 0.12);
  --border-strong: rgba(17, 32, 51, 0.2);
  --accent: #0f766e;
  --accent-alt: #1d4ed8;
  --accent-soft: rgba(15, 118, 110, 0.12);
  --accent-alt-soft: rgba(29, 78, 216, 0.12);
  --icon-filter-standard:
    brightness(0) saturate(100%) invert(12%) sepia(17%) saturate(1100%)
    hue-rotate(176deg) brightness(94%) contrast(92%);
  --icon-filter-muted:
    brightness(0) saturate(100%) invert(44%) sepia(12%) saturate(584%)
    hue-rotate(176deg) brightness(93%) contrast(88%);
  --icon-filter-accent:
    brightness(0) saturate(100%) invert(36%) sepia(56%) saturate(971%)
    hue-rotate(138deg) brightness(89%) contrast(97%);
  --icon-filter-inverse: brightness(0) saturate(100%) invert(100%);
  --icon-filter-social: var(--icon-filter-standard);
  --logo-surface: #ffffff;
  --shadow-lg: 0 20px 60px rgba(17, 32, 51, 0.12);
  --shadow-md: 0 12px 32px rgba(17, 32, 51, 0.08);
  --shadow-sm: 0 8px 20px rgba(17, 32, 51, 0.06);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --container-gutter: 2rem;
  --container: min(
    1180px,
    calc(100vw - var(--container-gutter) - var(--safe-area-left) - var(--safe-area-right))
  );
  --header-offset-base: 6.5rem;
  --header-offset: calc(var(--header-offset-base) + var(--safe-area-top));
  --transition: 180ms ease;
  --section-space: clamp(1.85rem, 4vw, 2.85rem);
  --section-shell-top: clamp(1.45rem, 3vw, 2.35rem);
  --section-shell-bottom: clamp(0.9rem, 2vw, 1.35rem);
  --section-heading-gap: clamp(0.75rem, 1.4vw, 1rem);
  --section-heading-space: clamp(1.5rem, 3vw, 2.15rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #08111d;
    --bg-strong: #0d1724;
    --surface: rgba(10, 18, 29, 0.76);
    --surface-strong: rgba(10, 18, 29, 0.94);
    --surface-muted: rgba(10, 18, 29, 0.62);
    --text-primary: #ecf3fb;
    --text-secondary: #c3d1e0;
    --text-muted: #8ea0b6;
    --border: rgba(148, 163, 184, 0.18);
    --border-strong: rgba(148, 163, 184, 0.28);
    --accent: #5eead4;
    --accent-alt: #60a5fa;
    --accent-soft: rgba(94, 234, 212, 0.15);
    --accent-alt-soft: rgba(96, 165, 250, 0.14);
    --icon-filter-standard:
      brightness(0) saturate(100%) invert(96%) sepia(8%) saturate(458%)
      hue-rotate(174deg) brightness(103%) contrast(98%);
    --icon-filter-muted:
      brightness(0) saturate(100%) invert(72%) sepia(15%) saturate(336%)
      hue-rotate(176deg) brightness(95%) contrast(93%);
    --icon-filter-accent:
      brightness(0) saturate(100%) invert(83%) sepia(22%) saturate(958%)
      hue-rotate(109deg) brightness(98%) contrast(94%);
    --icon-filter-inverse: brightness(0) saturate(100%) invert(100%);
    --icon-filter-social: var(--icon-filter-standard);
    --shadow-lg: 0 28px 70px rgba(0, 0, 0, 0.34);
    --shadow-md: 0 18px 44px rgba(0, 0, 0, 0.26);
    --shadow-sm: 0 10px 28px rgba(0, 0, 0, 0.22);
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: linear-gradient(180deg, rgba(6, 12, 22, 0.02), transparent 22%), var(--bg);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

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

button {
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--accent-alt);
  outline-offset: 3px;
}

.site-background {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: -2;
}

.site-glow {
  position: absolute;
  border-radius: 999px;
  filter: blur(80px);
  opacity: 0.7;
}

.site-glow-one {
  width: 28rem;
  height: 28rem;
  top: -8rem;
  right: -8rem;
  background: rgba(29, 78, 216, 0.14);
}

.site-glow-two {
  width: 26rem;
  height: 26rem;
  bottom: 10%;
  left: -10rem;
  background: rgba(15, 118, 110, 0.16);
}

.site-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(100, 116, 139, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(100, 116, 139, 0.06) 1px, transparent 1px);
  background-size: 3.5rem 3.5rem;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.22), transparent 70%);
}

.skip-link {
  position: absolute;
  left: calc(1rem + var(--safe-area-left));
  top: calc(-3rem - var(--safe-area-top));
  z-index: 1001;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
  border: 1px solid var(--border);
  transition: top var(--transition);
}

.skip-link:focus {
  top: calc(1rem + var(--safe-area-top));
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.glass-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  padding: calc(1rem + var(--safe-area-top)) 0 1rem;
}

.site-header .nav-shell {
  width: var(--container);
  margin: 0 auto;
  border-radius: 999px;
  padding: 0.8rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition:
    padding var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
}

.site-header.is-scrolled .nav-shell {
  padding: 0.65rem 0.9rem;
  box-shadow: var(--shadow-lg);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  flex: 1 1 auto;
  min-width: 0;
}

.brand-mark {
  width: 2.8rem;
  height: 2.8rem;
  min-width: 2.8rem;
  flex: 0 0 2.8rem;
  aspect-ratio: 1;
  border-radius: 16px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.4), transparent 45%),
    var(--surface-strong);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.brand-avatar {
  padding: 0.18rem;
}

.brand-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 13px;
  object-fit: cover;
}

.brand-copy {
  min-width: 0;
  display: grid;
  gap: 0.12rem;
}

.brand-title {
  display: block;
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand-subtitle {
  display: block;
  color: var(--text-muted);
  font-size: 0.78rem;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-links {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 0.25rem;
  padding: 0.3rem;
  margin: 0;
  list-style: none;
}

.nav-link {
  padding: 0.7rem 0.95rem;
  border-radius: 999px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  white-space: nowrap;
  transition:
    background-color var(--transition),
    color var(--transition),
    transform var(--transition);
}

.nav-link:hover,
.nav-link.is-active {
  background: var(--accent-soft);
  color: var(--text-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex: 0 0 auto;
  position: relative;
  z-index: 1002;
}

.header-cv-label-short {
  display: none;
}

.button,
.language-button,
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border: 1px solid transparent;
  border-radius: 999px;
  transition:
    transform var(--transition),
    border-color var(--transition),
    background-color var(--transition),
    color var(--transition),
    box-shadow var(--transition);
}

.button:hover,
.language-button:hover,
.icon-button:hover {
  transform: translateY(-1px);
}

.button {
  padding: 0.85rem 1.15rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  color: #f8fbff;
}

.button-secondary {
  background: var(--surface-strong);
  border-color: var(--border);
  color: var(--text-primary);
}

.button-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text-secondary);
}

.button-text {
  padding: 0;
  border-radius: 0;
  box-shadow: none;
  color: var(--text-secondary);
}

.button-text:hover {
  transform: none;
  color: var(--text-primary);
}

.icon-image {
  width: 1.05rem;
  height: 1.05rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.icon-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: var(--icon-filter-standard);
  transform: translateZ(0);
  transition: filter var(--transition), opacity var(--transition), transform var(--transition);
}

.icon-image.is-muted img {
  filter: var(--icon-filter-muted);
}

.icon-image.is-accent img {
  filter: var(--icon-filter-accent);
}

.icon-image.is-inverse img {
  filter: var(--icon-filter-inverse);
}

.icon-image.is-social img {
  filter: var(--icon-filter-social);
}

.icon-image[data-icon-name="github"] img {
  transform: scale(0.92);
}

.icon-image[data-icon-name="linkedin"] img {
  transform: scale(0.86);
}

.icon-image[data-icon-name="tryhackme"] img {
  transform: scale(0.94);
}

.icon-image[data-icon-name="x"] img {
  transform: scale(0.84);
}

.button .icon-image,
.icon-button .icon-image,
.mobile-nav-link .icon-image,
.social-chip .icon-image,
.contact-link .icon-image {
  width: 1.05rem;
  height: 1.05rem;
}

.logo-frame {
  background: var(--logo-surface);
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.28rem;
  border-radius: 999px;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.language-button {
  border: 0;
  padding: 0.55rem 0.8rem;
  min-width: 3rem;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 700;
}

.language-button.is-active {
  background: linear-gradient(135deg, var(--accent-soft), var(--accent-alt-soft));
  color: var(--text-primary);
}

.icon-button {
  width: 2.85rem;
  height: 2.85rem;
  padding: 0;
  border-color: var(--border);
  background: var(--surface-strong);
  color: var(--text-primary);
  line-height: 0;
}

.mobile-menu-toggle [data-menu-toggle-icon] {
  position: relative;
  width: 1.08rem;
  height: 0.9rem;
  display: block;
  flex: 0 0 auto;
  line-height: 0;
  pointer-events: none;
}

.mobile-menu-toggle .menu-toggle-line {
  position: absolute;
  top: calc(50% - 1px);
  left: 50%;
  width: 1.08rem;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transform-origin: center;
  will-change: transform, opacity;
  transition:
    transform 260ms cubic-bezier(0.65, 0, 0.35, 1),
    opacity 180ms ease;
}

.mobile-menu-toggle .menu-toggle-line:nth-child(1) {
  transform: translate(-50%, -0.34rem);
}

.mobile-menu-toggle .menu-toggle-line:nth-child(2) {
  transform: translate(-50%, 0);
}

.mobile-menu-toggle .menu-toggle-line:nth-child(3) {
  transform: translate(-50%, 0.34rem);
}

.mobile-menu-toggle[aria-expanded="true"] .menu-toggle-line:nth-child(1) {
  transform: translate(-50%, 0) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .menu-toggle-line:nth-child(2) {
  opacity: 0;
  transform: translate(-50%, 0) scaleX(0.55);
}

.mobile-menu-toggle[aria-expanded="true"] .menu-toggle-line:nth-child(3) {
  transform: translate(-50%, 0) rotate(-45deg);
}

@media (prefers-reduced-motion: reduce) {
  .mobile-menu-toggle .menu-toggle-line {
    transition: none;
  }
}

.mobile-menu-toggle,
.mobile-menu {
  display: none;
}

.mobile-menu {
  position: fixed;
  inset:
    calc(var(--header-offset) + 0.2rem)
    calc(1rem + var(--safe-area-right))
    auto
    calc(1rem + var(--safe-area-left));
  border-radius: var(--radius-lg);
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  z-index: 1001;
  max-height: calc(100svh - var(--header-offset) - 1rem - var(--safe-area-bottom));
  overflow-y: auto;
  overscroll-behavior: contain;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform-origin: top center;
  transform: translate3d(0, -0.65rem, 0) scale(0.985);
  will-change: opacity, transform;
  transition:
    opacity 220ms ease,
    transform 260ms cubic-bezier(0.65, 0, 0.35, 1),
    visibility 0s linear 260ms;
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate3d(0, 0, 0) scale(1);
  transition-delay: 0s;
}

.mobile-nav-links {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  display: grid;
  gap: 0.4rem;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid var(--border);
  white-space: nowrap;
}

.mobile-actions {
  display: grid;
  gap: 0.75rem;
}

.mobile-actions > .language-switch {
  justify-self: end;
  width: fit-content;
  max-width: 100%;
  gap: 0.2rem;
  padding: 0.24rem;
}

.mobile-actions > .language-switch .language-button {
  min-width: 2.7rem;
  padding: 0.5rem 0.72rem;
}

.section {
  scroll-margin-top: calc(var(--header-offset) + 1rem);
  padding: var(--section-space) 0 0;
}

.hero-section {
  padding-top: calc(var(--header-offset) + 1.2rem);
  min-height: 100svh;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 1.1rem;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.92rem;
}

.eyebrow .icon-image {
  width: 1rem;
  height: 1rem;
}

.hero-title {
  margin: 0;
  font-size: clamp(2.9rem, 7vw, 5.4rem);
  line-height: 0.96;
  letter-spacing: -0.04em;
}

.hero-subtitle {
  margin: 1rem 0 0;
  max-width: 44rem;
  color: var(--text-secondary);
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
}

.typewriter-line {
  margin: 1.3rem 0;
  min-height: 2.3rem;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--accent);
  font-size: clamp(1rem, 2.1vw, 1.25rem);
  font-weight: 700;
}

.typewriter-text {
  display: inline-flex;
  align-items: center;
  min-height: 1.6rem;
  font-family: "SF Mono", var(--font-mono);
}

.typewriter-cursor {
  width: 1px;
  height: 1.3rem;
  background: currentColor;
  animation: blink 1s steps(1, end) infinite;
}

.hero-description {
  margin: 0;
  max-width: 40rem;
  color: var(--text-secondary);
  font-size: 1rem;
}

.hero-actions,
.contact-actions {
  margin-top: 1.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.95rem;
}

.hero-socials {
  margin-top: 1.55rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.social-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.65rem 0.9rem;
  border-radius: 999px;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.hero-stats {
  margin-top: 1.9rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.95rem;
}

.stat-card {
  padding: 1.1rem 1.15rem;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.stat-value {
  font-weight: 700;
  font-size: 1rem;
}

.stat-label {
  margin-top: 0.25rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.hero-visual {
  position: relative;
}

.portrait-card {
  position: relative;
  padding: 1.2rem;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.portrait-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.18), transparent 38%),
    radial-gradient(circle at 0% 0%, rgba(15, 118, 110, 0.18), transparent 44%),
    radial-gradient(circle at 100% 100%, rgba(29, 78, 216, 0.16), transparent 48%);
  pointer-events: none;
}

.portrait-image-shell {
  position: relative;
  border-radius: calc(var(--radius-xl) - 10px);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: linear-gradient(145deg, rgba(17, 32, 51, 0.1), transparent);
}

.portrait-image-shell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.animoji-badge {
  position: absolute;
  right: -1rem;
  bottom: 2rem;
  width: min(180px, 42%);
  padding: 0.8rem;
  border-radius: 24px;
}

.animoji-badge img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
}

.floating-note {
  position: absolute;
  left: -1rem;
  top: 2rem;
  padding: 0.8rem 1rem;
  border-radius: 18px;
  max-width: 12rem;
}

.floating-note strong {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 0.96rem;
}

.floating-note span {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.section-shell {
  width: var(--container);
  margin: 0 auto;
  padding: var(--section-shell-top) 0 var(--section-shell-bottom);
}

.section-heading {
  display: grid;
  gap: var(--section-heading-gap);
  margin-bottom: var(--section-heading-space);
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-size: 1.02rem;
}

.section-kicker .icon-image {
  width: 1.24rem;
  height: 1.24rem;
}

.section-title {
  margin: 0;
  font-size: clamp(2.15rem, 4.4vw, 3.35rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.section-intro {
  margin: 0;
  max-width: 48rem;
  color: var(--text-secondary);
  font-size: 1rem;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 2.3vw, 1.5rem);
}

.about-card {
  padding: clamp(1.35rem, 2.4vw, 1.65rem);
  border-radius: var(--radius-lg);
}

.about-card p {
  margin: 0;
  color: var(--text-secondary);
}

.about-card p + p {
  margin-top: 1.1rem;
}

.about-grid .about-card .pill-list {
  margin-top: 1.85rem;
}

.pill-list,
.tech-list,
.course-tags,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.footer-link-row {
  margin-top: 1rem;
}

.footer-link-row + .footer-link-row {
  margin-top: 0.8rem;
}

.pill,
.tech-pill,
.course-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.chip-label {
  display: block;
  line-height: 1.2;
}

.tech-mark {
  width: 1.35rem;
  height: 1.35rem;
  padding: 0.18rem;
  border-radius: 0.42rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  overflow: hidden;
  background: var(--logo-surface);
  border: 1px solid rgba(17, 32, 51, 0.08);
  box-shadow: 0 6px 14px rgba(17, 32, 51, 0.08);
}

.tech-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: clamp(1.25rem, 2.3vw, 1.5rem);
  margin-top: 1.15rem;
}

.timeline-column {
  display: grid;
  align-content: start;
  gap: 1rem;
}

.timeline-title {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 0.2rem;
  font-size: 1.12rem;
}

.timeline-title .icon-image {
  width: 1.12rem;
  height: 1.12rem;
}

.timeline-list {
  position: relative;
  display: grid;
  gap: 1.15rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline-list::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 1rem;
  width: 1px;
  background: linear-gradient(180deg, var(--accent), transparent 92%);
  opacity: 0.35;
}

.timeline-item {
  position: relative;
  padding-left: 3rem;
  list-style: none;
}

.timeline-item::marker {
  content: "";
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 0.45rem;
  top: 1.2rem;
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 1px var(--border);
}

.timeline-card {
  padding: 1.35rem 1.35rem 1.3rem;
  border-radius: var(--radius-lg);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}

.timeline-title-row {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
}

.timeline-logo {
  width: 4.35rem;
  height: 3.2rem;
  border-radius: 16px;
  overflow: hidden;
  padding: 0.45rem 0.55rem;
  background: var(--logo-surface);
  border: 1px solid rgba(17, 32, 51, 0.08);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.85),
    0 10px 24px rgba(17, 32, 51, 0.06);
  flex: 0 0 auto;
}

.timeline-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.timeline-role {
  margin: 0;
  font-size: 1.05rem;
}

.timeline-meta {
  display: grid;
  gap: 0.15rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.timeline-summary,
.timeline-section p,
.detail-copy {
  color: var(--text-secondary);
}

.timeline-summary {
  margin: 1rem 0 0;
}

.timeline-listing {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: var(--text-secondary);
}

.timeline-listing li + li,
.detail-list li + li,
.project-list li + li {
  margin-top: 0.55rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.2rem);
}

.skills-grid + .about-card {
  margin-top: 1.85rem;
}

.skill-card {
  padding: 1.4rem;
  border-radius: var(--radius-lg);
  display: grid;
  gap: 1.1rem;
}

.skill-card-header {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.skill-icon {
  width: 2.7rem;
  height: 2.7rem;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent-soft), var(--accent-alt-soft));
  color: var(--text-primary);
}

.skill-icon .icon-image,
.course-summary-icon .icon-image {
  width: 1.25rem;
  height: 1.25rem;
}

.skill-title {
  margin: 0;
  font-size: 1.05rem;
}

.skill-copy {
  margin: 0;
  color: var(--text-secondary);
}

.tool-cloud {
  margin-top: 1.1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.tool-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-strong);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.project-stack {
  display: grid;
  gap: 1.45rem;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.2rem);
}

.project-card {
  position: relative;
  padding: 1.4rem;
  border-radius: var(--radius-lg);
  display: grid;
  gap: 1.1rem;
}

.project-media {
  padding: 1.2rem;
  border-radius: var(--radius-md);
  min-height: 11rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.28), transparent 35%),
    linear-gradient(135deg, var(--accent-soft), var(--accent-alt-soft));
  border: 1px solid var(--border);
}

.project-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
  width: fit-content;
  background: rgba(255, 255, 255, 0.48);
  color: var(--text-primary);
}

@media (prefers-color-scheme: dark) {
  .project-badge {
    background: rgba(8, 17, 29, 0.54);
  }
}

.project-heading-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}

.project-title {
  margin: 0;
  font-size: 1.15rem;
}

.project-media-copy {
  display: grid;
  gap: 0.22rem;
}

.project-subtitle {
  margin: 0.2rem 0 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.project-tech-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: auto;
}

.project-tech-mark {
  width: 1.9rem;
  height: 1.9rem;
  padding: 0.22rem;
  border-radius: 0.68rem;
  box-shadow: 0 10px 22px rgba(17, 32, 51, 0.1);
}

.project-copy {
  margin: 0;
  color: var(--text-secondary);
}

.project-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--text-secondary);
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.timeline-card .project-links {
  margin-top: 0.85rem;
}

.course-group {
  display: grid;
  gap: 1rem;
}

.project-stack > .course-group + .course-group {
  margin-top: 0.45rem;
}

.project-stack > .course-group > .course-group {
  margin-top: 0.6rem;
}

.course-group-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.1rem;
  align-items: baseline;
}

.course-group-title {
  margin: 0;
  font-size: 1.15rem;
}

.course-group-title-strong {
  font-size: clamp(1.32rem, 2vw, 1.55rem);
  line-height: 1.18;
}

.course-group-copy {
  margin: 0;
  color: var(--text-secondary);
}

.accordion-grid {
  display: grid;
  gap: 1rem;
}

.course-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.course-card summary {
  list-style: none;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.3rem;
  cursor: pointer;
}

.course-card summary::-webkit-details-marker {
  display: none;
}

.course-summary-main {
  display: flex;
  gap: 0.85rem;
  min-width: 0;
  align-items: flex-start;
}

.course-summary-icon {
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 14px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent-soft), var(--accent-alt-soft));
}

.course-summary-text {
  min-width: 0;
}

.course-title {
  margin: 0;
  font-size: 1.02rem;
}

.course-meta {
  margin-top: 0.22rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.course-chevron {
  width: 2rem;
  height: 2rem;
  flex: 0 0 auto;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: transform var(--transition);
}

.course-chevron::before {
  content: "+";
  font-size: 1.1rem;
  line-height: 1;
}

.course-card[open] .course-chevron {
  transform: rotate(45deg);
}

.course-body {
  padding: 0 1.3rem 1.35rem;
  display: grid;
  gap: 1.05rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.05rem;
}

.detail-block {
  padding: 1.05rem;
  border-radius: var(--radius-md);
  background: var(--surface-muted);
  border: 1px solid var(--border);
}

.detail-title {
  margin: 0 0 0.45rem;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.detail-list {
  margin: 0;
  padding-left: 1rem;
  color: var(--text-secondary);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.15rem);
}

.cert-card {
  padding: 1.4rem;
  border-radius: var(--radius-lg);
  display: grid;
  gap: 0.95rem;
}

.cert-title {
  margin: 0;
  font-size: 1.02rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(1rem, 2vw, 1.2rem);
}

.contact-card {
  padding: 1.45rem;
  border-radius: var(--radius-lg);
}

.contact-copy {
  margin: 0;
  color: var(--text-secondary);
}

.contact-links {
  margin-top: 1.1rem;
  display: grid;
  gap: 0.85rem;
}

.contact-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.05rem;
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  border: 1px solid var(--border);
}

.contact-link-main {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  min-width: 0;
}

.contact-link-main > span:last-child {
  display: grid;
  gap: 0.18rem;
}

.contact-link-title {
  display: block;
  font-weight: 700;
}

.contact-link-copy {
  display: block;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.site-footer {
  padding: clamp(3.25rem, 5vw, 4rem) 0 calc(2.3rem + var(--safe-area-bottom));
}

.footer-shell {
  width: var(--container);
  margin: 0 auto;
  padding: 1.45rem;
  border-radius: var(--radius-xl);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 1.2rem;
  align-items: center;
}

.footer-copy {
  color: var(--text-secondary);
}

.footer-meta {
  margin-top: 1.1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.noscript-banner {
  width: var(--container);
  margin: 0 auto 2rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface-strong);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 600ms ease,
    transform 600ms ease;
}

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

.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;
}

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

@media (max-width: 1080px) {
  .hero-grid,
  .timeline-grid,
  .contact-grid,
  .skills-grid,
  .cert-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-visual {
    order: -1;
    width: min(100%, 32rem);
    margin-inline: auto;
  }

  .portrait-card {
    padding: 1rem;
  }

  .animoji-badge {
    width: min(8.75rem, 30%);
    padding: 0.7rem;
    right: 0.25rem;
    bottom: 1.1rem;
  }

  .floating-note {
    left: auto;
    right: 1rem;
    top: 1rem;
  }
}

@media (max-width: 1100px) {
  .header-lang {
    display: none;
  }

  .header-cv .icon-image,
  .header-cv-label-full {
    display: none;
  }

  .header-cv-label-short {
    display: inline;
  }

  .mobile-menu-toggle {
    display: inline-flex;
    position: relative;
    z-index: 1002;
    flex: 0 0 auto;
  }

  .mobile-menu {
    display: block;
  }

  .site-header .nav-shell {
    border-radius: 26px;
  }
}

@media (max-width: 1024px) {
  .header-cv {
    display: none;
  }

  .nav-link {
    padding-inline: 0.7rem;
  }
}

@media (max-width: 910px) {
  .site-nav,
  .header-actions .desktop-only {
    display: none;
  }

  .mobile-menu-toggle {
    display: inline-flex;
    position: relative;
    z-index: 1002;
    flex: 0 0 auto;
  }

  .mobile-menu {
    display: block;
  }

  .site-header .nav-shell {
    border-radius: 26px;
  }

  .hero-title {
    font-size: clamp(2.5rem, 12vw, 4rem);
  }

  .hero-visual {
    width: min(100%, 27rem);
  }

  .portrait-card {
    padding: 0.95rem;
  }

  .animoji-badge {
    width: min(7.5rem, 30%);
    padding: 0.65rem;
    right: 0.35rem;
    bottom: 0.8rem;
  }
}

@media (max-width: 640px) {
  :root {
    --container-gutter: 1.2rem;
    --header-offset-base: 5.8rem;
  }

  .hero-grid {
    gap: 1.5rem;
  }

  .site-header {
    padding: calc(0.7rem + var(--safe-area-top)) 0 0.7rem;
  }

  .site-header .nav-shell {
    padding: 0.7rem 0.8rem;
  }

  .brand-title {
    font-size: 0.92rem;
  }

  .brand-subtitle {
    font-size: 0.72rem;
  }

  .hero-section {
    padding-top: calc(var(--header-offset) + 0.8rem);
  }

  .hero-visual {
    width: min(100%, 19.5rem);
    margin-inline: auto;
  }

  .portrait-card {
    padding: 0.85rem;
  }

  .hero-actions,
  .contact-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

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

  .about-card,
  .project-card,
  .skill-card,
  .cert-card,
  .contact-card,
  .timeline-card,
  .course-body,
  .course-card summary,
  .footer-shell {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .timeline-item {
    padding-left: 2.5rem;
  }

  .timeline-list::before {
    left: 0.82rem;
  }

  .timeline-item::before {
    left: 0.28rem;
  }

  .timeline-header,
  .project-heading-row,
  .footer-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .animoji-badge {
    width: min(6.5rem, 31%);
    padding: 0.55rem;
    right: 0.5rem;
    bottom: 0.5rem;
  }

  .floating-note {
    position: static;
    margin-bottom: 1rem;
    max-width: none;
  }

  .course-card summary {
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}