:root {
  --bg: #071017;
  --bg-soft: #0b1520;
  --surface: rgba(11, 21, 32, 0.82);
  --surface-strong: rgba(16, 28, 41, 0.92);
  --surface-border: rgba(160, 224, 216, 0.12);
  --text: #f5f7fb;
  --muted: #9db1bf;
  --accent: #61f2c2;
  --accent-secondary: #58adff;
  --accent-warm: #ff936d;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --content-width: min(1180px, calc(100vw - 2rem));
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  font-family: "Manrope", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(97, 242, 194, 0.12), transparent 28%),
    radial-gradient(circle at 80% 10%, rgba(88, 173, 255, 0.16), transparent 24%),
    radial-gradient(circle at 50% 100%, rgba(255, 147, 109, 0.12), transparent 30%),
    var(--bg);
  overflow-x: hidden;
}

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

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

button,
input,
textarea {
  font: inherit;
}

svg {
  fill: none;
  stroke: currentColor;
}

.page-noise,
.page-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
}

.page-noise {
  opacity: 0.08;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 120px 120px;
  mask-image: radial-gradient(circle at center, black, transparent 92%);
}

.page-grid {
  z-index: -1;
  background:
    linear-gradient(rgba(157, 177, 191, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(157, 177, 191, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.45;
}

.site-header {
  position: sticky;
  top: 0.75rem;
  z-index: 20;
  width: var(--content-width);
  margin: 1rem auto 0;
  padding: 1rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(7, 16, 23, 0.72);
  backdrop-filter: blur(20px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.22);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 500;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  margin-left: auto;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.95rem;
  transition: color 180ms ease, transform 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
  transform: translateY(-1px);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.section {
  padding: 2.25rem 0;
  scroll-margin-top: 7.25rem;
}

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

.section-contrast {
  position: relative;
}

.section-contrast::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)),
    rgba(255, 255, 255, 0.015);
  border-block: 1px solid rgba(255, 255, 255, 0.04);
  pointer-events: none;
}

body[data-theme="light"] .section-contrast::before {
  background:
    linear-gradient(180deg, rgba(77, 54, 40, 0.02), rgba(255, 255, 255, 0)),
    rgba(77, 54, 40, 0.012);
  border-block-color: rgba(77, 54, 40, 0.05);
}

.hero {
  min-height: auto;
  padding: 1.75rem 0 2.75rem;
  display: grid;
  align-items: center;
}

.hero-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(260px, 0.82fr);
  gap: clamp(1rem, 3vw, 2rem);
  align-items: center;
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.1rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.77rem;
  font-weight: 700;
}

.eyebrow::before {
  content: "";
  width: 2.5rem;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.hero h1,
.hero h2,
.section-heading h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.03em;
  line-height: 0.96;
}

.hero-title {
  max-width: 11ch;
  font-size: clamp(2.7rem, 5.8vw, 4.9rem);
}

.hero-title span {
  color: transparent;
  background: linear-gradient(90deg, var(--accent), #b3ffeb 40%, #ffc0ac 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-title-mobile {
  display: none;
}

.hero-text,
.section-heading p,
.contact-copy p,
.floating-panel p,
.skill-card p,
.project-card p,
.education-card p,
.timeline-card p,
.form-note {
  color: var(--muted);
  line-height: 1.75;
}

.hero-text {
  max-width: 58ch;
  margin: 1.4rem 0 0;
  font-size: 1.04rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease, background 220ms ease;
}

.button svg {
  width: 18px;
  height: 18px;
  margin-right: 0.6rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-3px);
}

.button-primary {
  color: #071017;
  background: linear-gradient(120deg, var(--accent), #d8fff4);
  box-shadow: 0 14px 30px rgba(97, 242, 194, 0.18);
}

body[data-theme="light"] .button-primary {
  color: #fff7ef;
  background: linear-gradient(120deg, var(--accent), #c78f67);
  box-shadow: 0 14px 28px rgba(142, 94, 66, 0.18);
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.03);
}

body[data-theme="light"] .button-secondary {
  border-color: rgba(77, 54, 40, 0.12);
  background: rgba(77, 54, 40, 0.035);
}

.hero-socials {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-top: 1.8rem;
}

.social-link {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  transition: transform 180ms ease, border-color 180ms ease, color 180ms ease, background 180ms ease;
}

body[data-theme="light"] .social-link {
  border-color: rgba(77, 54, 40, 0.1);
  background: rgba(77, 54, 40, 0.03);
}

.social-link svg {
  width: 20px;
  height: 20px;
  stroke-width: 1.8;
}

.social-link:hover,
.social-link:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(97, 242, 194, 0.5);
  background: rgba(97, 242, 194, 0.08);
  color: var(--accent);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2.4rem;
}

.stat-card,
.skill-card,
.project-card,
.education-card,
.timeline-card,
.contact-form,
.contact-copy,
.floating-panel {
  border: 1px solid var(--surface-border);
  background: var(--surface);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.stat-card {
  padding: 1rem 1.1rem;
  border-radius: var(--radius-md);
}

.stat-card strong {
  display: block;
  margin-bottom: 0.35rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.8rem;
}

.stat-card span {
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-visual {
  position: relative;
  min-height: 640px;
  isolation: isolate;
}

.hero-glow {
  position: absolute;
  inset: 10% 14% auto auto;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, rgba(97, 242, 194, 0.32), rgba(88, 173, 255, 0.2) 45%, transparent 72%);
  filter: blur(12px);
  animation: glowFloat 8s ease-in-out infinite;
}

.hero-ribbon {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: transparent;
  overflow: visible;
}

.ribbon-path,
.ribbon-core {
  stroke-linecap: round;
  stroke-width: 26;
}

.ribbon-path-a {
  stroke: url(#ribbonGradientA);
  opacity: 0.58;
  stroke-dasharray: 12 18;
  animation: ribbonDrift 16s linear infinite;
}

.ribbon-path-b {
  stroke: url(#ribbonGradientB);
  opacity: 0.38;
  stroke-dasharray: 8 16;
  animation: ribbonDrift 22s linear reverse infinite;
}

.ribbon-core {
  stroke: rgba(255, 255, 255, 0.72);
  stroke-width: 7;
  filter: drop-shadow(0 0 18px rgba(97, 242, 194, 0.45));
  animation: ribbonPulse 7s ease-in-out infinite;
}

.portrait-scene {
  position: absolute;
  top: 6%;
  right: 4%;
  width: min(420px, 82%);
  aspect-ratio: 0.82;
  display: grid;
  place-items: center;
  z-index: 1;
  --tech-scale: 1;
}

.portrait-halo,
.portrait-orbit {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.portrait-halo-a {
  inset: 8% 10%;
  background:
    radial-gradient(circle, rgba(88, 173, 255, 0.22), rgba(88, 173, 255, 0.04) 52%, transparent 72%);
  filter: blur(6px);
  animation: glowFloat 8s ease-in-out infinite;
}

.portrait-halo-b {
  inset: 18% 16%;
  background:
    radial-gradient(circle, rgba(97, 242, 194, 0.2), rgba(97, 242, 194, 0.04) 48%, transparent 72%);
  filter: blur(12px);
  animation: glowFloat 10s ease-in-out infinite reverse;
}

.portrait-orbit {
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.tech-orbit {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.tech-orbit-a {
  animation: portraitSpin 20s linear infinite;
}

.tech-orbit-b {
  animation: portraitSpin 16s linear infinite reverse;
}

.tech-node {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(var(--angle)) translateX(calc(var(--radius) * var(--tech-scale)));
  transform-origin: center;
}

.tech-chip {
  width: calc(62px * var(--tech-scale));
  height: calc(62px * var(--tech-scale));
  display: grid;
  place-items: center;
  padding: calc(10px * var(--tech-scale));
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(7, 16, 23, 0.8);
  box-shadow:
    0 16px 28px rgba(0, 0, 0, 0.24),
    0 0 0 1px rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(16px);
}

.tech-chip svg {
  width: 100%;
  height: 100%;
  display: block;
}

.tech-orbit-a .tech-chip {
  animation: portraitSpin 20s linear infinite reverse;
}

.tech-orbit-b .tech-chip {
  animation: portraitSpin 16s linear infinite;
}

.tech-chip-html {
  box-shadow:
    0 16px 28px rgba(0, 0, 0, 0.24),
    0 0 24px rgba(228, 77, 38, 0.18);
}

.tech-chip-js {
  box-shadow:
    0 16px 28px rgba(0, 0, 0, 0.24),
    0 0 24px rgba(247, 223, 30, 0.16);
}

.tech-chip-css {
  box-shadow:
    0 16px 28px rgba(0, 0, 0, 0.24),
    0 0 24px rgba(41, 101, 241, 0.18);
}

.tech-chip-tailwind {
  box-shadow:
    0 16px 28px rgba(0, 0, 0, 0.24),
    0 0 24px rgba(56, 189, 248, 0.18);
}

.tech-chip-mongo {
  box-shadow:
    0 16px 28px rgba(0, 0, 0, 0.24),
    0 0 24px rgba(19, 170, 82, 0.18);
}

.orbit-a {
  inset: 4%;
  border-color: rgba(97, 242, 194, 0.22);
  animation: portraitSpin 16s linear infinite;
}

.orbit-b {
  inset: 12%;
  border-color: rgba(88, 173, 255, 0.18);
  border-style: dashed;
  animation: portraitSpin 24s linear reverse infinite;
}

.portrait-frame {
  position: relative;
  width: min(320px, 74%);
  aspect-ratio: 0.8;
  padding: 14px;
  border-radius: 32px;
  background:
    linear-gradient(145deg, rgba(97, 242, 194, 0.22), rgba(88, 173, 255, 0.18), rgba(255, 147, 109, 0.14));
  box-shadow:
    0 28px 60px rgba(0, 0, 0, 0.34),
    0 0 0 1px rgba(255, 255, 255, 0.04);
  animation: floatCard 9s ease-in-out infinite;
}

.portrait-frame::before {
  content: "";
  position: absolute;
  inset: -16px;
  border-radius: 40px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  opacity: 0.85;
}

.portrait-frame-inner {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at 20% 18%, rgba(97, 242, 194, 0.2), transparent 28%),
    radial-gradient(circle at 82% 10%, rgba(88, 173, 255, 0.24), transparent 32%),
    linear-gradient(180deg, rgba(12, 27, 39, 0.9), rgba(7, 16, 23, 0.98));
  backdrop-filter: blur(20px);
}

.portrait-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.portrait-overlay {
  position: absolute;
  inset: auto 1rem 1rem 1rem;
  padding: 0.85rem 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(7, 16, 23, 0.3), rgba(7, 16, 23, 0.82));
  backdrop-filter: blur(10px);
}

.portrait-placeholder {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  padding: 1.5rem;
  text-align: center;
}

.portrait-placeholder::before {
  content: "";
  position: absolute;
  inset: 1rem;
  border: 1px dashed rgba(255, 255, 255, 0.16);
  border-radius: 18px;
}

.portrait-silhouette {
  position: relative;
  width: 124px;
  height: 148px;
  margin-bottom: 0.6rem;
}

.silhouette-head,
.silhouette-body {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(182, 231, 255, 0.68));
  box-shadow: 0 0 30px rgba(88, 173, 255, 0.18);
}

.silhouette-head {
  top: 0;
  width: 72px;
  height: 72px;
}

.silhouette-body {
  bottom: 0;
  width: 124px;
  height: 92px;
  border-radius: 48px 48px 22px 22px;
}

.portrait-label {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  font-weight: 700;
}

.portrait-note {
  position: relative;
  max-width: 26ch;
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.floating-panel {
  position: absolute;
  padding: 1.15rem 1.2rem;
  border-radius: 22px;
}

.panel-label {
  display: inline-block;
  margin-bottom: 0.45rem;
  color: var(--accent-secondary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  font-weight: 700;
}

.floating-panel strong {
  display: block;
  margin-bottom: 0.4rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.18rem;
}

.floating-panel ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.floating-panel li {
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  font-size: 0.85rem;
}

.panel-intro {
  top: 6%;
  right: 8%;
  max-width: 230px;
  animation: floatCard 8s ease-in-out infinite;
}

.panel-stack {
  left: 7%;
  bottom: 12%;
  max-width: 260px;
  animation: floatCard 10s ease-in-out infinite;
}

.panel-focus {
  right: 0;
  bottom: 30%;
  max-width: 220px;
  animation: floatCard 9s ease-in-out infinite reverse;
}

.section-heading {
  max-width: 58rem;
  margin-bottom: 2.6rem;
}

.section-heading h2 {
  font-size: clamp(2.1rem, 4vw, 3.6rem);
}

.section-heading p {
  margin-top: 1rem;
  max-width: 60ch;
}

.skills-grid,
.projects-grid,
.education-grid {
  display: grid;
  gap: 1.35rem;
}

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

.skill-card {
  position: relative;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.skill-card::before,
.project-card::before,
.education-card::before {
  content: "";
  position: absolute;
  inset: auto -15% 0 auto;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(97, 242, 194, 0.14), transparent 68%);
  transform: translate3d(0, 30%, 0);
  transition: transform 260ms ease;
  pointer-events: none;
}

.skill-card:hover::before,
.project-card:hover::before,
.education-card:hover::before {
  transform: translate3d(-8%, 12%, 0);
}

.skill-icon {
  width: 52px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  border-radius: 18px;
  color: #071017;
  background: linear-gradient(120deg, var(--accent), #dff9f2);
}

.skill-icon svg {
  width: 22px;
  height: 22px;
  stroke-width: 1.7;
}

.skill-card h3,
.project-card h3,
.education-card h3,
.timeline-card h3,
.contact-copy h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
}

.skill-card h3 {
  font-size: 1.3rem;
}

.skill-meta,
.project-meta,
.timeline-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.chip {
  padding: 0.42rem 0.7rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.timeline {
  position: relative;
  display: grid;
  gap: 2rem;
  padding-top: 1rem;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: linear-gradient(180deg, rgba(97, 242, 194, 0.1), rgba(97, 242, 194, 0.8), rgba(97, 242, 194, 0.1));
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: calc(50% - 2rem);
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 2rem;
  width: 18px;
  height: 18px;
  border: 4px solid var(--bg);
  border-radius: 50%;
  background: linear-gradient(120deg, var(--accent), var(--accent-secondary));
  box-shadow: 0 0 0 8px rgba(97, 242, 194, 0.09);
}

.timeline-item.left {
  justify-self: start;
}

.timeline-item.left::before {
  right: -2.6rem;
}

.timeline-item.right {
  justify-self: end;
}

.timeline-item.right::before {
  left: -2.6rem;
}

.timeline-card {
  padding: 1.4rem;
  border-radius: var(--radius-lg);
}

.timeline-card span {
  color: var(--accent-secondary);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.timeline-card p {
  margin: 0.9rem 0 0;
}

.timeline-highlights {
  margin: 1rem 0 0;
  padding-left: 1.15rem;
  color: var(--muted);
}

.timeline-highlights li {
  margin: 0 0 0.75rem;
  line-height: 1.75;
}

.timeline-highlights li:last-child {
  margin-bottom: 0;
}

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

.project-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  min-height: 440px;
  padding: 1.25rem;
  border-radius: 30px;
  overflow: hidden;
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

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

.project-card:hover,
.project-card:focus-within {
  transform: translateY(-8px);
  border-color: rgba(97, 242, 194, 0.24);
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.42);
}

.project-preview {
  position: relative;
  aspect-ratio: 16 / 10;
  min-height: 0;
  margin-bottom: 0.15rem;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.12), transparent 46%),
    var(--card-bg, linear-gradient(135deg, rgba(97, 242, 194, 0.18), rgba(88, 173, 255, 0.24)));
}

.project-preview-button {
  display: block;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  text-decoration: none;
  text-align: inherit;
  cursor: zoom-in;
}

.project-image {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
  object-position: var(--image-position, center top);
  transform: scale(var(--image-scale, 1));
  transition: transform 260ms ease;
}

.project-preview::before,
.project-preview::after {
  content: "";
  position: absolute;
  border-radius: 20px;
  transition: transform 340ms ease, opacity 340ms ease;
}

.project-preview::before {
  inset: 16% 16% auto;
  height: 58%;
  background: rgba(7, 16, 23, 0.92);
  box-shadow: 0 18px 24px rgba(0, 0, 0, 0.25);
}

.project-preview::after {
  inset: auto 12% 14% 12%;
  height: 18%;
  background:
    linear-gradient(90deg, rgba(97, 242, 194, 0.52), rgba(255, 255, 255, 0.08) 36%, rgba(255, 147, 109, 0.45));
  filter: blur(0);
}

.project-card:hover .project-preview::before {
  transform: translateY(-6px) scale(1.02);
}

.project-card:hover .project-preview::after {
  transform: translateY(6px) scaleX(1.04);
}

.project-preview-has-image::before,
.project-preview-has-image::after {
  opacity: 0;
}

.project-preview-badge {
  position: absolute;
  right: 0.9rem;
  bottom: 0.9rem;
  display: inline-flex;
  align-items: center;
  padding: 0.42rem 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(7, 16, 23, 0.78);
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  backdrop-filter: blur(12px);
}

.project-preview-button:hover .project-image,
.project-preview-button:focus-visible .project-image {
  transform: scale(calc(var(--image-scale, 1) + 0.04));
}

.project-preview-button:focus-visible .project-preview {
  outline: 2px solid rgba(97, 242, 194, 0.42);
  outline-offset: 3px;
}

.project-window {
  position: absolute;
  inset: 21% 20% auto;
  height: 47%;
  padding: 0.8rem;
  border-radius: 18px;
  background: rgba(13, 20, 30, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.06);
  z-index: 1;
}

body[data-theme="light"] .project-window {
  background: rgba(253, 248, 241, 0.96);
  border-color: rgba(77, 54, 40, 0.08);
}

.window-bar {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 0.9rem;
}

.window-bar span {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
}

body[data-theme="light"] .window-bar span,
body[data-theme="light"] .window-sidebar span,
body[data-theme="light"] .window-main span {
  background: rgba(77, 54, 40, 0.1);
}

.window-layout {
  display: grid;
  grid-template-columns: 0.34fr 1fr;
  gap: 0.7rem;
  height: calc(100% - 1.3rem);
}

.window-sidebar,
.window-main {
  display: grid;
  gap: 0.45rem;
}

.window-sidebar span,
.window-main span {
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.window-sidebar span:nth-child(1) {
  height: 18%;
}

.window-sidebar span:nth-child(2),
.window-sidebar span:nth-child(3) {
  height: 10%;
}

.window-main span:nth-child(1) {
  height: 18%;
}

.window-main span:nth-child(2) {
  height: 32%;
}

.window-main span:nth-child(3) {
  height: 26%;
}

.project-card h3 {
  margin: 0;
  font-size: 1.45rem;
}

.project-card p {
  margin: 0;
}

.project-card .project-meta {
  margin-top: 0.15rem;
}

.project-footer {
  margin-top: auto;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.project-footer span {
  flex: 1;
  min-width: 0;
}

.project-footer a {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  color: var(--accent);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.18em;
  white-space: nowrap;
}

body.lightbox-open {
  overflow: hidden;
}

.project-lightbox {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 1.4rem;
  background: rgba(4, 10, 15, 0.82);
  backdrop-filter: blur(18px);
}

.project-lightbox[hidden] {
  display: none;
}

.project-lightbox-dialog {
  width: min(100%, 1080px);
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 28px;
  background: rgba(7, 16, 23, 0.94);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
}

.project-lightbox-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.9rem;
}

.project-lightbox-header h3 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.1rem;
}

.project-lightbox-close {
  position: relative;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  cursor: pointer;
}

.project-lightbox-close span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 2px;
  background: currentColor;
}

.project-lightbox-close span:first-child {
  transform: translate(-50%, -50%) rotate(45deg);
}

.project-lightbox-close span:last-child {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.project-lightbox-media {
  overflow: hidden;
  border-radius: 22px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(4, 10, 15, 0.88);
}

.project-lightbox-media img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 80vh;
  object-fit: contain;
  background: #040a0f;
}

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

.education-card {
  position: relative;
  padding: 1.6rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.education-card .year {
  color: var(--accent-secondary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
}

.education-card .details {
  margin-top: 0.8rem;
}

.education-note {
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.contact-section {
  padding-bottom: 4.5rem;
}

.contact-shell {
  width: 100%;
  max-width: 920px;
  margin: 0 auto;
}

.contact-form {
  padding: 1.35rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--surface-border);
  background: var(--surface);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.contact-form-intro {
  display: grid;
  gap: 0.7rem;
  margin-bottom: 0.25rem;
}

.contact-form-intro h2 {
  margin: 0;
}

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

.contact-form label {
  display: grid;
  gap: 0.55rem;
}

.contact-form span {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.95rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.025);
  outline: none;
  transition: border-color 180ms ease, background 180ms ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(97, 242, 194, 0.46);
  background: rgba(255, 255, 255, 0.045);
}

.full-width {
  grid-column: 1 / -1;
}

.form-note {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
}

.form-note-success {
  color: var(--accent);
}

.form-note-error {
  color: #ff9a8a;
}

.contact-form button:disabled {
  opacity: 0.72;
  cursor: wait;
}

.site-footer {
  width: var(--content-width);
  margin: 0 auto;
  padding: 0 0 0.5rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  font-size: 0.92rem;
}

.back-to-top {
  position: fixed;
  right: 1.6rem;
  bottom: 1.4rem;
  z-index: 24;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.72rem 0.9rem 0.72rem 0.78rem;
  border: 1px solid rgba(160, 224, 216, 0.14);
  border-radius: 999px;
  background: rgba(7, 16, 23, 0.8);
  color: var(--text);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translate3d(0, 18px, 0) scale(0.92);
  transition:
    opacity 220ms ease,
    transform 220ms ease,
    visibility 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translate3d(0, 0, 0) scale(1);
  animation: backToTopFloat 3.2s ease-in-out infinite;
}

.back-to-top:hover,
.back-to-top:focus-visible {
  border-color: rgba(97, 242, 194, 0.42);
  box-shadow: 0 22px 42px rgba(0, 0, 0, 0.34), 0 0 22px rgba(97, 242, 194, 0.12);
}

.back-to-top-ring {
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(120deg, rgba(97, 242, 194, 0.18), rgba(88, 173, 255, 0.1), rgba(255, 147, 109, 0.14));
  opacity: 0.8;
  z-index: -1;
}

.back-to-top svg {
  width: 18px;
  height: 18px;
  stroke-width: 2;
}

.back-to-top-text {
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@keyframes ribbonDrift {
  from {
    stroke-dashoffset: 0;
  }
  to {
    stroke-dashoffset: 280;
  }
}

@keyframes ribbonPulse {
  0%,
  100% {
    opacity: 0.6;
  }
  50% {
    opacity: 1;
  }
}

@keyframes glowFloat {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(-16px, 22px, 0) scale(1.05);
  }
}

@keyframes floatCard {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, -14px, 0);
  }
}

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

@keyframes backToTopFloat {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(0, -5px, 0) scale(1);
  }
}

@media (max-width: 1024px) {
  .contact-shell,
  .skills-grid,
  .projects-grid,
  .education-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 1.5rem 0 2.5rem;
  }

  .hero-shell {
    grid-template-columns: minmax(0, 1fr) minmax(240px, 0.76fr);
    gap: 1.1rem;
  }

  .hero-visual {
    min-height: 420px;
  }

  .portrait-scene {
    position: relative;
    top: auto;
    right: auto;
    width: min(340px, 100%);
    margin-left: auto;
    --tech-scale: 0.88;
  }

  .timeline::before {
    left: 0.5rem;
    transform: none;
  }

  .timeline-item,
  .timeline-item.left,
  .timeline-item.right {
    width: 100%;
    justify-self: stretch;
    padding-left: 2.3rem;
  }

  .timeline-item::before,
  .timeline-item.left::before,
  .timeline-item.right::before {
    left: 0;
    right: auto;
  }
}

@media (max-width: 820px) {
  .hero {
    padding: 1.2rem 0 2.2rem;
  }

  .hero-shell {
    grid-template-columns: minmax(0, 1fr) minmax(205px, 0.68fr);
    gap: 0.95rem;
    align-items: start;
  }

  .hero-title {
    max-width: 11ch;
    font-size: clamp(2.45rem, 6vw, 3.45rem);
  }

  .hero-title-desktop {
    display: none;
  }

  .hero-title-mobile {
    display: block;
  }

  .hero-text {
    margin-top: 1rem;
    font-size: 0.98rem;
  }

  .hero-visual {
    min-height: 340px;
  }

  .portrait-scene {
    width: min(280px, 100%);
    --tech-scale: 0.76;
  }

  .site-header {
    margin-top: 0.7rem;
    padding: 0.9rem 1rem;
    border-radius: 24px;
  }

  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.65rem);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.9rem;
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    background: rgba(7, 16, 23, 0.95);
    backdrop-filter: blur(20px);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

  body[data-theme="light"] .site-nav {
    border-color: rgba(77, 54, 40, 0.1);
    background: rgba(255, 248, 239, 0.96);
  }

  .site-header.nav-open .site-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-header.nav-open .nav-toggle span:first-child {
    transform: translateY(7px) rotate(45deg);
  }

  .site-header.nav-open .nav-toggle span:last-child {
    transform: translateY(-7px) rotate(-45deg);
  }

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

}

@media (max-width: 640px) {
  .section {
    padding: 2.2rem 0;
  }

  .hero {
    padding: 1rem 0 1.85rem;
  }

  .hero-shell {
    grid-template-columns: minmax(0, 1fr) minmax(150px, 0.58fr);
    gap: 0.8rem;
    align-items: start;
  }

  .hero-title {
    max-width: none;
    font-size: clamp(2.32rem, 7.6vw, 3.15rem);
    line-height: 1.04;
  }

  .hero-visual {
    min-height: 260px;
  }

  .hero-text {
    margin-top: 0.9rem;
    font-size: 1.02rem;
    line-height: 1.58;
    max-width: 34ch;
  }

  .hero-actions {
    margin-top: 1.35rem;
    gap: 0.75rem;
  }

  .button {
    min-height: 48px;
    padding: 0 1.1rem;
  }

  .hero-socials {
    margin-top: 1.05rem;
    gap: 0.65rem;
  }

  .social-link {
    width: 42px;
    height: 42px;
  }

  .portrait-scene {
    width: min(220px, 100%);
    --tech-scale: 0.62;
  }

  .portrait-frame {
    width: min(176px, 92%);
    padding: 10px;
    border-radius: 24px;
  }

  .portrait-frame::before {
    inset: -10px;
    border-radius: 30px;
  }

  .portrait-frame-inner {
    border-radius: 18px;
  }

  .portrait-label {
    font-size: 0.96rem;
  }

  .portrait-note {
    max-width: 18ch;
    font-size: 0.76rem;
    line-height: 1.45;
  }

  .hero-ribbon {
    opacity: 0.88;
  }

  .project-card {
    min-height: 400px;
    gap: 0.8rem;
  }

  .project-preview {
    aspect-ratio: 4 / 3;
  }

  .project-image {
    object-position: var(--image-position, center center);
  }

  .project-card h3 {
    font-size: 1.28rem;
  }

  .project-footer {
    font-size: 0.88rem;
  }

  .project-preview-badge {
    right: 0.75rem;
    bottom: 0.75rem;
    padding: 0.38rem 0.65rem;
    font-size: 0.72rem;
  }

  .project-lightbox {
    padding: 0.9rem;
  }

  .project-lightbox-dialog {
    padding: 0.85rem;
    border-radius: 22px;
  }

  .project-lightbox-header h3 {
    font-size: 0.98rem;
  }

  .contact-form {
    padding: 1.2rem;
    gap: 0.9rem;
    width: calc(100% - 1rem);
    margin: 0 auto;
  }

  .contact-form-intro {
    gap: 0.55rem;
    margin-bottom: 0.1rem;
  }

  .project-window {
    inset: 18% 10% auto;
    height: 50%;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .back-to-top {
    right: 1rem;
    bottom: 1rem;
    padding: 0.7rem 0.82rem;
  }

  .back-to-top-text {
    display: none;
  }
}

@media (max-width: 520px) {
  .hero {
    padding: 0.85rem 0 1.6rem;
  }

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

  .hero-copy {
    order: 1;
  }

  .hero-visual {
    display: none;
  }

  .eyebrow {
    margin-bottom: 0.85rem;
    font-size: 0.82rem;
    letter-spacing: 0.13em;
  }

  .eyebrow::before {
    width: 1.8rem;
  }

  .hero-title {
    font-size: clamp(2.28rem, 9.9vw, 2.9rem);
    line-height: 1.05;
  }

  .hero-text {
    max-width: none;
    font-size: 1rem;
    line-height: 1.54;
  }

  .hero-actions {
    gap: 0.7rem;
  }

  .button {
    min-height: 46px;
    padding: 0 1rem;
  }

  .hero-ribbon {
    opacity: 0.5;
  }

  .portrait-scene {
    width: min(260px, 92vw);
    margin: 0 auto;
  }

  .portrait-frame {
    width: min(190px, 78%);
  }

  .portrait-overlay {
    inset: auto 0.75rem 0.75rem 0.75rem;
    padding: 0.65rem 0.75rem;
    border-radius: 14px;
  }

  .portrait-label {
    font-size: 0.88rem;
  }
}

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

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

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}