:root {
  --container-width: min(1180px, calc(100% - 2rem));
  --nav-height: 78px;
  --radius-xs: 16px;
  --radius-sm: 22px;
  --radius-md: 30px;
  --radius-lg: 38px;
  --shadow-elevated: 0 28px 72px rgba(6, 11, 24, 0.18);
  --shadow-card: 0 18px 40px rgba(8, 14, 32, 0.18);
  --panel-shadow: 0 30px 82px rgba(6, 11, 24, 0.22);
  --transition-fast: 180ms ease;
  --transition-base: 280ms ease;
  --transition-slow: 420ms ease;
}

html[data-theme="dark"] {
  --bg: #050816;
  --bg-secondary: #0a1124;
  --surface: rgba(10, 17, 34, 0.8);
  --surface-strong: rgba(10, 16, 30, 0.94);
  --surface-soft: rgba(255, 255, 255, 0.035);
  --surface-hover: rgba(16, 26, 49, 0.94);
  --text: #edf4ff;
  --muted: #9ca8ca;
  --muted-strong: #cad5f2;
  --line: rgba(124, 158, 255, 0.16);
  --line-strong: rgba(134, 174, 255, 0.34);
  --accent: #72a5ff;
  --accent-strong: #56dbff;
  --accent-violet: #9072ff;
  --accent-teal: #7af7df;
  --accent-soft: rgba(102, 154, 255, 0.14);
  --gradient-main: linear-gradient(135deg, #72a5ff 0%, #56dbff 45%, #9072ff 100%);
  --gradient-soft: linear-gradient(180deg, rgba(12, 20, 38, 0.96), rgba(7, 11, 22, 0.88));
  --button-text: #040910;
  --panel-glow: 0 38px 120px rgba(2, 7, 18, 0.62);
  --panel-shadow: 0 34px 96px rgba(2, 8, 20, 0.58);
  --shadow-elevated: 0 36px 98px rgba(1, 6, 18, 0.62);
  --shadow-card: 0 22px 56px rgba(2, 8, 24, 0.34);
  --hero-glow: rgba(86, 219, 255, 0.24);
  --icon-opacity: 0.11;
  --cursor-core: #7cf7e0;
  --cursor-ring-color: rgba(91, 216, 255, 0.44);
  --cursor-blur: rgba(124, 247, 224, 0.16);
}

html[data-theme="light"] {
  --bg: #edf2ff;
  --bg-secondary: #f8faff;
  --surface: rgba(255, 255, 255, 0.74);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --surface-soft: rgba(59, 92, 176, 0.06);
  --surface-hover: rgba(255, 255, 255, 0.98);
  --text: #131c32;
  --muted: #66728f;
  --muted-strong: #41506f;
  --line: rgba(78, 103, 156, 0.16);
  --line-strong: rgba(78, 103, 156, 0.3);
  --accent: #3a63ff;
  --accent-strong: #0ba6ff;
  --accent-violet: #7f61ff;
  --accent-teal: #1fcdc6;
  --accent-soft: rgba(58, 99, 255, 0.1);
  --gradient-main: linear-gradient(135deg, #3a63ff 0%, #0ba6ff 48%, #7f61ff 100%);
  --gradient-soft: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(240, 245, 255, 0.9));
  --button-text: #ffffff;
  --panel-glow: 0 24px 70px rgba(46, 68, 120, 0.12);
  --panel-shadow: 0 28px 80px rgba(54, 76, 132, 0.16);
  --shadow-elevated: 0 30px 88px rgba(54, 76, 132, 0.14);
  --shadow-card: 0 18px 48px rgba(54, 76, 132, 0.12);
  --hero-glow: rgba(58, 99, 255, 0.14);
  --icon-opacity: 0.085;
  --cursor-core: #3a63ff;
  --cursor-ring-color: rgba(11, 166, 255, 0.28);
  --cursor-blur: rgba(58, 99, 255, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top left, rgba(86, 219, 255, 0.1), transparent 36%),
    radial-gradient(circle at bottom right, rgba(144, 114, 255, 0.1), transparent 32%),
    radial-gradient(circle at 50% 0%, rgba(114, 165, 255, 0.08), transparent 34%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-secondary) 55%, var(--bg) 100%);
  color: var(--text);
  font-family: "Sora", sans-serif;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition:
    background var(--transition-slow),
    color var(--transition-base);
}

html[data-theme="light"] body {
  background:
    radial-gradient(circle at top left, rgba(11, 166, 255, 0.14), transparent 32%),
    radial-gradient(circle at bottom right, rgba(127, 97, 255, 0.16), transparent 28%),
    radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.72), transparent 34%),
    linear-gradient(180deg, #fafcff 0%, var(--bg) 52%, #edf2ff 100%);
}

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

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

button {
  border: 0;
  background: none;
  color: inherit;
}

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

svg {
  display: block;
}

::selection {
  background: rgba(86, 219, 255, 0.2);
  color: var(--text);
}

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

.cursor-dot,
.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 40;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -50%) scale(1);
  will-change: left, top, transform, opacity;
  transition:
    opacity 140ms ease,
    transform 220ms ease,
    background var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.cursor-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cursor-core);
  box-shadow: 0 0 16px var(--cursor-blur);
}

.cursor-ring {
  width: 34px;
  height: 34px;
  border: 1px solid var(--cursor-ring-color);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.07), transparent 62%);
  box-shadow: 0 0 18px var(--cursor-blur);
}

.cursor-dot.is-visible,
.cursor-ring.is-visible {
  opacity: 1;
}

.cursor-dot.is-interactive {
  transform: translate(-50%, -50%) scale(1.4);
  background: var(--accent-strong);
}

.cursor-ring.is-interactive {
  transform: translate(-50%, -50%) scale(1.18);
  border-color: rgba(124, 247, 224, 0.72);
  box-shadow: 0 0 24px rgba(86, 219, 255, 0.14);
}

.cursor-dot.is-pressed {
  transform: translate(-50%, -50%) scale(0.72);
}

.cursor-ring.is-pressed {
  transform: translate(-50%, -50%) scale(0.84);
}

@media (pointer: fine) {
  html.has-custom-cursor,
  html.has-custom-cursor * {
    cursor: none !important;
  }
}

@media (pointer: coarse) {
  .cursor-dot,
  .cursor-ring {
    display: none;
  }
}

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

.site-background::after {
  content: "";
  position: absolute;
  inset: -10%;
  opacity: 0.16;
  background:
    linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, 0.035) 48%, transparent 100%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.014) 0 1px, transparent 1px 180px),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.01) 0 1px, transparent 1px 220px);
}

html[data-theme="light"] .site-background::after {
  opacity: 0.1;
  background:
    linear-gradient(120deg, transparent 0%, rgba(58, 99, 255, 0.04) 48%, transparent 100%),
    repeating-linear-gradient(90deg, rgba(58, 99, 255, 0.014) 0 1px, transparent 1px 180px),
    repeating-linear-gradient(0deg, rgba(58, 99, 255, 0.01) 0 1px, transparent 1px 220px);
}

#bg-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.noise {
  position: absolute;
  inset: 0;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

html[data-theme="light"] .noise {
  opacity: 0.022;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(54px);
  opacity: 0.62;
}

.gradient-orb-a {
  top: 6%;
  left: -12%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(86, 219, 255, 0.2), transparent 68%);
}

.gradient-orb-b {
  right: -10%;
  bottom: 2%;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(144, 114, 255, 0.2), transparent 68%);
}

html[data-theme="light"] .gradient-orb-a {
  background: radial-gradient(circle, rgba(11, 166, 255, 0.18), transparent 68%);
}

html[data-theme="light"] .gradient-orb-b {
  background: radial-gradient(circle, rgba(127, 97, 255, 0.18), transparent 68%);
}

.site-header,
.site-main,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 10;
  padding: 1rem 0;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 120%;
  background: linear-gradient(180deg, rgba(5, 8, 22, 0.72), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.site-header.is-scrolled::before {
  opacity: 1;
}

.site-nav {
  width: var(--container-width);
  min-height: var(--nav-height);
  margin: 0 auto;
  padding: 0.85rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(9, 14, 27, 0.58);
  box-shadow: var(--panel-shadow);
  backdrop-filter: blur(20px);
  transition:
    background var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

html[data-theme="light"] .site-nav {
  background: rgba(255, 255, 255, 0.76);
}

.site-header.is-scrolled .site-nav {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0;
  min-width: 0;
}

.nav-brand-mark {
  width: clamp(222px, 21.5vw, 304px);
  height: clamp(48px, 5vw, 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.nav-brand-logo {
  display: block;
  width: 108%;
  height: 108%;
  max-width: none;
  object-fit: contain;
  object-position: center center;
  transform: translateY(1px);
  filter: drop-shadow(0 12px 24px rgba(86, 219, 255, 0.16));
}

.nav-brand-copy {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.nav-brand-name {
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.nav-brand-role {
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
}

.nav-toggle {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--text);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-nav.is-open .nav-toggle span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-nav.is-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.site-nav.is-open .nav-toggle span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-menu {
  position: absolute;
  top: calc(100% + 0.75rem);
  left: 0;
  right: 0;
  padding: 1rem;
  display: none;
  flex-direction: column;
  gap: 1rem;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--surface-strong);
  box-shadow: var(--shadow-elevated);
  backdrop-filter: blur(22px);
}

.site-nav.is-open .nav-menu {
  display: flex;
}

.nav-links {
  display: grid;
  gap: 0.5rem;
}

.nav-link {
  padding: 0.9rem 1rem;
  border-radius: 18px;
  color: var(--muted-strong);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition:
    color var(--transition-fast),
    background var(--transition-fast),
    transform var(--transition-fast);
}

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

.nav-actions {
  display: grid;
  gap: 0.75rem;
  align-items: center;
}

.language-switch {
  display: inline-grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.375rem;
  padding: 0.3rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.language-switch button,
.theme-toggle {
  min-height: 48px;
  cursor: pointer;
}

.language-switch button {
  padding: 0.72rem 0.95rem;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
}

.language-switch button.is-active {
  background: var(--gradient-main);
  color: var(--button-text);
}

.theme-toggle {
  padding: 0 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--muted-strong);
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  color: var(--accent-strong);
}

.site-main {
  padding-bottom: 4rem;
}

.section {
  padding: 6rem 0 0;
  scroll-margin-top: calc(var(--nav-height) + 1.5rem);
}

.hero-section {
  padding-top: calc(var(--nav-height) + 2.5rem);
}

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

.section-grid,
.hero-shell,
.contact-shell,
.skills-layout {
  display: grid;
  gap: 1.5rem;
}

#hero-content,
#hero-panel {
  min-width: 0;
}

#hero-panel {
  width: 100%;
  display: flex;
  justify-content: flex-end;
}

.section-heading {
  margin-bottom: 1.75rem;
  max-width: 760px;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 1rem;
  color: var(--accent-strong);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.section-eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-strong), transparent);
}

.section-title {
  margin: 0;
  font-size: clamp(2.2rem, 8vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.section-title .accent {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-copy {
  margin: 1rem 0 0;
  max-width: 660px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.btn {
  min-height: 52px;
  padding: 0.9rem 1.35rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  border: 1px solid transparent;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
  cursor: pointer;
  touch-action: manipulation;
  transition:
    transform var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-fast),
    color var(--transition-fast);
}

.btn svg {
  width: 16px;
  height: 16px;
}

.btn-primary {
  background: var(--gradient-main);
  color: var(--button-text);
  box-shadow: 0 18px 46px rgba(86, 219, 255, 0.2);
}

.btn-secondary,
.btn-nav {
  border-color: var(--line);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-card);
}

.btn-nav {
  justify-content: center;
}

.hero-copy {
  display: grid;
  gap: 1.5rem;
  max-width: min(100%, 40rem);
}

.hero-headline {
  margin: 0;
  min-height: 2.5em;
  display: grid;
  max-width: min(100%, 11.4ch);
  font-size: clamp(2.4rem, 8.2vw, 5.6rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  overflow: visible;
}

.hero-type-measure,
.hero-type-target {
  grid-area: 1 / 1;
  display: inline-block;
  align-self: start;
  justify-self: start;
  max-width: 100%;
  white-space: pre-line;
  word-break: keep-all;
  overflow-wrap: normal;
  text-wrap: balance;
}

.hero-type-measure {
  visibility: hidden;
  pointer-events: none;
  user-select: none;
}

.hero-type-target {
  background: linear-gradient(90deg, #6ec3ff 0%, #8b7cff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 30px rgba(110, 195, 255, 0.18);
}

.hero-type-target::after {
  content: "";
  display: inline-block;
  width: 0.08em;
  height: 0.9em;
  margin-left: 0.14em;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--accent-strong), var(--accent-violet));
  box-shadow: 0 0 16px rgba(86, 219, 255, 0.24);
  vertical-align: -0.08em;
  animation: blink-caret 1.08s steps(1) infinite;
}

.hero-description {
  margin: 0;
  max-width: 36rem;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.hero-stat {
  position: relative;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  box-shadow: var(--tilt-shadow, var(--shadow-card));
  backdrop-filter: blur(18px);
}

.hero-stat-value {
  display: block;
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.hero-stat-label {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.6;
}

.tools-panel {
  position: relative;
  width: min(100%, 432px);
  margin-left: auto;
  padding: 1.3rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(10, 16, 30, 0.94), rgba(7, 12, 24, 0.9));
  box-shadow: var(--tilt-shadow, var(--panel-shadow));
  backdrop-filter: blur(22px);
  overflow: hidden;
  isolation: isolate;
}

html[data-theme="light"] .tools-panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(243, 247, 255, 0.98));
  border-color: rgba(78, 103, 156, 0.16);
  box-shadow: 0 24px 72px rgba(64, 86, 138, 0.16);
}

.tools-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at var(--pointer-x, 50%) var(--pointer-y, 50%), rgba(124, 247, 224, 0.06), transparent 22%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 24%);
  pointer-events: none;
}

html[data-theme="light"] .tools-panel::before {
  background:
    radial-gradient(circle at var(--pointer-x, 50%) var(--pointer-y, 50%), rgba(58, 99, 255, 0.055), transparent 22%),
    linear-gradient(180deg, rgba(58, 99, 255, 0.04), transparent 24%);
}

.tools-panel::after {
  content: "";
  position: absolute;
  inset: 8% 8% auto;
  height: 40%;
  border-radius: 30px;
  background:
    radial-gradient(circle at 18% 24%, rgba(110, 195, 255, 0.26), transparent 30%),
    radial-gradient(circle at 78% 18%, rgba(139, 124, 255, 0.24), transparent 28%),
    radial-gradient(circle at 54% 76%, rgba(86, 219, 255, 0.16), transparent 34%);
  filter: blur(34px);
  opacity: 0.9;
  transform: scale(1.05);
  pointer-events: none;
}

html[data-theme="light"] .tools-panel::after {
  background:
    radial-gradient(circle at 18% 24%, rgba(11, 166, 255, 0.2), transparent 30%),
    radial-gradient(circle at 78% 18%, rgba(127, 97, 255, 0.16), transparent 28%),
    radial-gradient(circle at 54% 76%, rgba(58, 99, 255, 0.11), transparent 34%);
  opacity: 0.72;
}

.tools-panel-header {
  position: relative;
  z-index: 1;
}

.tools-panel-kicker {
  margin: 0;
  color: var(--accent-strong);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
}

.tools-panel-title {
  margin: 0;
  font-size: clamp(1.2rem, 3.1vw, 1.72rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  max-width: 100%;
  text-wrap: balance;
}

.tools-panel-copy {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.72;
}

.identity-row {
  position: relative;
  z-index: 1;
  margin-top: 1.1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.identity-chip {
  padding: 0.62rem 0.92rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  color: var(--muted-strong);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tools-grid {
  position: relative;
  z-index: 1;
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.72rem;
}

.tool-card {
  position: relative;
  min-height: 108px;
  padding: 0.9rem 0.85rem;
  display: grid;
  place-items: center;
  gap: 0.58rem;
  text-align: center;
  border: 1px solid rgba(124, 158, 255, 0.14);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.035);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(18px);
  transition:
    transform var(--transition-fast),
    border-color var(--transition-fast),
    background var(--transition-fast);
}

html[data-theme="light"] .tool-card {
  background: rgba(255, 255, 255, 0.78);
}

.tool-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    radial-gradient(circle at var(--pointer-x, 50%) var(--pointer-y, 50%), rgba(124, 247, 224, 0.05), transparent 22%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.06), transparent 60%);
  pointer-events: none;
}

.tool-card-icon {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  color: var(--tool-color, var(--accent-strong));
  filter: drop-shadow(0 8px 16px rgba(86, 219, 255, 0.14));
}

.tool-card-icon svg {
  width: 100%;
  height: 100%;
}

.tool-card-label {
  color: var(--text);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  line-height: 1.35;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tool-card-note {
  color: var(--muted);
  font-size: 0.74rem;
}

.tools-panel-footer {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.7;
}

.profile-card {
  position: relative;
  padding: 1.35rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--gradient-soft);
  box-shadow: var(--tilt-shadow, var(--panel-shadow));
  backdrop-filter: blur(22px);
  overflow: hidden;
}

.profile-card > * {
  position: relative;
  z-index: 1;
}

.profile-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 18%, rgba(110, 195, 255, 0.22), transparent 30%),
    radial-gradient(circle at 76% 16%, rgba(139, 124, 255, 0.18), transparent 28%),
    radial-gradient(circle at 52% 78%, rgba(86, 219, 255, 0.12), transparent 34%);
  filter: blur(30px);
  opacity: 0.92;
  pointer-events: none;
}

.profile-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at var(--pointer-x, 50%) var(--pointer-y, 50%), rgba(91, 216, 255, 0.06), transparent 18%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 26%);
  pointer-events: none;
}

.profile-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.5rem 0.78rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--muted-strong);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.profile-avatar {
  position: relative;
  width: 132px;
  height: 132px;
  display: grid;
  place-items: center;
  margin-bottom: 1.1rem;
  border-radius: 32px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(135deg, rgba(86, 219, 255, 0.16), rgba(144, 114, 255, 0.16));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  overflow: hidden;
}

.profile-avatar-logo {
  display: block;
  width: 96%;
  height: 96%;
  max-width: none;
  object-fit: contain;
  object-position: center center;
  justify-self: center;
  align-self: center;
  transform: translate3d(0, 0, 0);
  filter: drop-shadow(0 18px 28px rgba(86, 219, 255, 0.18));
}

.profile-title {
  margin: 0;
  font-size: 1.3rem;
}

.profile-copy {
  margin: 0.8rem 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.profile-metric-grid,
.detail-grid,
.skills-grid,
.stack-grid,
.contact-grid,
.social-grid {
  display: grid;
  gap: 0.8rem;
}

.profile-metric-grid {
  margin-top: 1.2rem;
}

.profile-metric,
.detail-card,
.skill-card,
.contact-card,
.form-card,
.project-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  box-shadow: var(--tilt-shadow, var(--shadow-card));
  backdrop-filter: blur(18px);
  transition:
    transform var(--transition-base),
    border-color var(--transition-base),
    background var(--transition-base),
    box-shadow var(--transition-base);
}

.profile-metric,
.detail-card,
.contact-card {
  padding: 1rem;
}

.profile-metric-label,
.detail-card-label,
.contact-card-label {
  display: block;
  color: var(--accent-strong);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.profile-metric-value,
.detail-card-value,
.contact-card-value {
  display: block;
  margin-top: 0.45rem;
  color: var(--text);
  font-size: 0.94rem;
  line-height: 1.7;
}

.contact-card-value {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.1rem;
}

.contact-card-text,
.contact-card-text a {
  color: var(--text);
  text-decoration: none;
}

.contact-card-text a:hover {
  color: var(--accent-strong);
}

.about-copy {
  display: grid;
  gap: 1rem;
}

.about-paragraph {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.9;
}

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

.skill-card {
  padding: 1.1rem;
  position: relative;
  overflow: hidden;
}

.skill-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    radial-gradient(circle at var(--pointer-x, 50%) var(--pointer-y, 50%), rgba(124, 247, 224, 0.055), transparent 20%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent 28%);
  pointer-events: none;
}

.skill-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.skill-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent-strong);
}

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

.skill-percent {
  color: var(--muted-strong);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

.skill-title {
  margin: 1rem 0 0;
  font-size: 1.08rem;
}

.skill-copy {
  margin: 0.6rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.8;
}

.skill-bar {
  height: 8px;
  margin-top: 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.skill-bar-fill {
  width: var(--progress, 0%);
  height: 100%;
  transform: scaleX(0);
  transform-origin: left;
  border-radius: inherit;
  background: var(--gradient-main);
  transition: transform 800ms ease;
}

.reveal.in-view .skill-bar-fill {
  transform: scaleX(1);
}

.stack-grid {
  margin-top: 1.15rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.stack-pill {
  padding: 0.78rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted-strong);
  text-align: center;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

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

.project-card {
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  transform: perspective(1200px) translate3d(0, 0, 0);
  background: linear-gradient(180deg, var(--surface-strong), var(--surface));
}

.project-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at var(--pointer-x, 50%) var(--pointer-y, 50%), rgba(124, 247, 224, 0.06), transparent 22%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 25%, rgba(86, 219, 255, 0.04));
  pointer-events: none;
}

.project-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.project-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 28%),
    linear-gradient(0deg, rgba(5, 8, 22, 0.22), transparent 38%);
  pointer-events: none;
}

.project-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: translate3d(var(--media-shift-x, 0), var(--media-shift-y, 0), 0) scale(var(--media-scale, 1));
  transition: transform var(--transition-slow), filter var(--transition-slow);
}

[data-tilt] {
  --pointer-x: 50%;
  --pointer-y: 50%;
  transform-style: preserve-3d;
  will-change: transform;
  transition:
    transform 320ms cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    background var(--transition-base);
}

[data-tilt-layer] {
  position: relative;
  transform: translate3d(0, 0, 0);
  transform-style: preserve-3d;
  transition: transform 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

.project-card-body {
  padding: 1.2rem;
  display: grid;
  gap: 0.95rem;
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
}

.project-badge,
.project-status {
  padding: 0.42rem 0.72rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-soft);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.project-status {
  color: var(--accent-strong);
}

.project-title {
  margin: 0;
  font-size: 1.34rem;
  line-height: 1.1;
}

.project-copy {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-link svg {
  width: 14px;
  height: 14px;
}

.contact-shell {
  gap: 1rem;
}

.contact-copy {
  display: grid;
  gap: 1rem;
}

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

.social-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.social-link {
  min-height: 50px;
  padding: 0.85rem 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  color: var(--muted-strong);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition:
    transform var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
}

.form-card {
  padding: 1.2rem;
  overflow: hidden;
  transform-style: flat;
  isolation: isolate;
}

.contact-form {
  display: grid;
  gap: 0.9rem;
}

.form-row {
  display: grid;
  gap: 0.9rem;
}

.form-field {
  display: grid;
  gap: 0.5rem;
}

.form-field label {
  color: var(--muted-strong);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-soft);
  color: var(--text);
  resize: vertical;
  filter: none;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translateZ(0);
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast),
    box-shadow var(--transition-fast);
}

.form-field textarea {
  min-height: 150px;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: rgba(128, 141, 173, 0.88);
}

.form-status {
  min-height: 1.4rem;
  color: var(--accent-strong);
  font-size: 0.84rem;
  line-height: 1.6;
}

.site-footer {
  width: var(--container-width);
  margin: 0 auto;
  padding: 3rem 0 3.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  border-top: 1px solid var(--line);
  text-align: center;
}

.footer-logo {
  width: 56px;
  height: 56px;
  object-fit: contain;
  filter: drop-shadow(0 16px 28px rgba(86, 219, 255, 0.16));
}

.footer-copy,
.footer-note {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.8;
}

.feedback-overlay[hidden] {
  display: none;
}

.contact-transport {
  position: absolute;
  width: 0;
  height: 0;
  border: 0;
  opacity: 0;
  pointer-events: none;
}

.feedback-overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  background: rgba(5, 8, 22, 0.64);
  backdrop-filter: blur(16px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}

.feedback-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.feedback-card {
  position: relative;
  width: min(100%, 420px);
  padding: 1.5rem 1.35rem 1.3rem;
  border: 1px solid var(--line-strong);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(17, 24, 42, 0.96), rgba(10, 15, 29, 0.94)),
    var(--surface);
  box-shadow: 0 30px 90px rgba(5, 8, 22, 0.48);
  text-align: center;
  transform: translateY(12px) scale(0.98);
  transition: transform 240ms ease;
}

html[data-theme="light"] .feedback-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(241, 246, 255, 0.95)),
    var(--surface);
  box-shadow: 0 30px 80px rgba(55, 89, 165, 0.14);
}

.feedback-overlay.is-visible .feedback-card {
  transform: translateY(0) scale(1);
}

.feedback-close {
  position: absolute;
  top: 0.85rem;
  right: 0.9rem;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--muted-strong);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
}

body.feedback-open {
  overflow: hidden;
}

.footer-brand {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 720ms ease,
    transform 720ms ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@keyframes blink-caret {
  0%,
  45% {
    opacity: 1;
  }
  46%,
  100% {
    opacity: 0.16;
  }
}

@media (pointer: fine) {
  .btn:hover,
  .nav-link:hover,
  .theme-toggle:hover,
  .language-switch button:hover,
  .social-link:hover,
  .tool-card:hover,
  .project-link:hover {
    transform: translateY(-2px);
  }

  .btn-primary:hover {
    box-shadow: 0 20px 46px rgba(86, 219, 255, 0.24);
  }

  .btn-secondary:hover,
  .btn-nav:hover,
  .theme-toggle:hover,
  .tool-card:hover,
  .social-link:hover,
  .contact-card:hover,
  .detail-card:hover,
  .skill-card:hover,
  .profile-metric:hover {
    border-color: var(--line-strong);
    background: var(--surface-hover);
  }

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

  .project-card:hover {
    border-color: var(--line-strong);
    box-shadow: 0 30px 68px rgba(8, 14, 32, 0.3);
  }

  .project-card:hover .project-media img {
    --media-scale: 1.04;
    filter: saturate(1.08);
  }

  .form-field input:hover,
  .form-field textarea:hover,
  .form-field input:focus,
  .form-field textarea:focus {
    border-color: var(--line-strong);
    background: var(--surface);
    box-shadow: 0 0 0 4px rgba(86, 219, 255, 0.08);
    outline: none;
  }

  .feedback-close:hover {
    border-color: var(--line-strong);
    background: var(--surface);
    color: var(--text);
  }
}

@media (min-width: 640px) {
  .hero-meta,
  .profile-metric-grid,
  .detail-grid,
  .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stack-grid,
  .social-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .form-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 768px) {
  .section {
    padding-top: 7rem;
  }

  .hero-section {
    padding-top: calc(var(--nav-height) + 4rem);
  }

  .hero-shell {
    gap: 2rem;
  }

  .hero-headline {
    min-height: 2.45em;
    max-width: min(100%, 11.6ch);
    font-size: clamp(2.95rem, 5.9vw, 4.95rem);
  }

  .skills-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .project-card.is-featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
    align-items: stretch;
  }

  .project-card.is-featured .project-media {
    aspect-ratio: auto;
    min-height: 100%;
  }

  .project-card.is-featured .project-card-body {
    padding: 1.75rem;
  }

}

@media (min-width: 960px) {
  .site-nav {
    padding: 0.85rem 1.1rem;
  }

  .nav-toggle {
    display: none;
  }

  .nav-menu {
    position: static;
    padding: 0;
    display: flex;
    flex: 1;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    border: 0;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
  }

  .nav-links {
    display: inline-flex;
    justify-content: center;
    flex: 1;
    gap: 0.22rem;
  }

  .nav-link {
    padding: 0.8rem 0.82rem;
  }

  .nav-actions {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.55rem;
  }

  .theme-toggle {
    min-width: 118px;
  }

  .hero-shell,
  .section-grid,
  .contact-shell {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2rem;
    align-items: start;
  }

  .hero-shell {
    align-items: center;
    grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.96fr);
    gap: clamp(2.4rem, 5vw, 4.8rem);
  }

  .contact-shell {
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.94fr);
  }

  .hero-copy {
    padding-right: 0.35rem;
  }

  .tools-panel {
    max-width: 432px;
  }
}

@media (min-width: 1180px) {
  .hero-headline {
    min-height: 2.38em;
    max-width: min(100%, 11.8ch);
    font-size: clamp(3.7rem, 5.1vw, 6rem);
  }

  .hero-copy {
    padding-right: 0.8rem;
  }

  .hero-shell {
    gap: clamp(3rem, 6vw, 5.4rem);
  }
}

@media (max-width: 419px) {
  .hero-headline {
    min-height: 2.7em;
    max-width: min(100%, 11.2ch);
    font-size: clamp(2rem, 9.4vw, 2.6rem);
    line-height: 1.1;
    letter-spacing: -0.01em;
  }

  .nav-brand-copy {
    display: none;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

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