:root {
  --bg: #edf5fb;
  --bg-soft: #f4f9fd;
  --surface: rgba(255, 255, 255, 0.74);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --text: #1f2736;
  --muted: #5f687a;
  --border: rgba(31, 39, 54, 0.14);
  --accent: #4fa7db;
  --accent-strong: #2f86bb;
  --glass-bg: rgba(255, 255, 255, 0.68);
  --glass-border: rgba(255, 255, 255, 0.9);
  --glass-hover: rgba(255, 255, 255, 0.75);
  --menu-bg: rgba(255, 255, 255, 0.95);
  --brand-bg-start: #ffffff;
  --brand-bg-end: #e8f3fb;
  --hero-bg-start: rgba(255, 255, 255, 0.9);
  --hero-bg-end: rgba(238, 248, 255, 0.76);
  --img-bg: #e7f0f8;
  --img-border: rgba(255, 255, 255, 0.9);
  --tag-bg: rgba(243, 249, 255, 0.95);
  --tag-border: rgba(36, 42, 59, 0.1);
  --tag-text: #4d566a;
  --bg-layer-1: radial-gradient(circle at 0 0, #f2f9ff 0%, rgba(242, 249, 255, 0) 35%);
  --bg-layer-2: radial-gradient(circle at 100% 0, rgba(193, 223, 247, 0.56) 0%, rgba(193, 223, 247, 0) 39%);
  --bg-layer-3: linear-gradient(180deg, #e5f1fb 0%, var(--bg) 42%, var(--bg-soft) 100%);
  --footer-border: rgba(31, 39, 54, 0.14);
  --topbar-shadow: 0 10px 24px rgba(20, 44, 77, 0.08);
  --radius-xl: 1.25rem;
  --radius-2xl: 1.8rem;
  --shadow-soft: 0 24px 48px rgba(20, 44, 77, 0.08);
  --shadow-card: 0 16px 30px rgba(20, 44, 77, 0.09);
  --max-width: 1120px;
}

.dark {
  --bg: #1f2632;
  --bg-soft: #1a212d;
  --surface: rgba(36, 45, 60, 0.72);
  --surface-strong: rgba(40, 49, 65, 0.9);
  --text: #edf2fb;
  --muted: #a7b2c6;
  --border: rgba(159, 174, 199, 0.22);
  --accent: #69b7ff;
  --accent-strong: #3d8fd6;
  --glass-bg: rgba(29, 38, 52, 0.72);
  --glass-border: rgba(156, 171, 197, 0.22);
  --glass-hover: rgba(57, 68, 86, 0.72);
  --menu-bg: rgba(34, 44, 60, 0.96);
  --brand-bg-start: #2b3648;
  --brand-bg-end: #222d3f;
  --hero-bg-start: rgba(35, 44, 59, 0.94);
  --hero-bg-end: rgba(30, 38, 53, 0.86);
  --img-bg: #1a2331;
  --img-border: rgba(154, 170, 196, 0.2);
  --tag-bg: rgba(42, 53, 70, 0.88);
  --tag-border: rgba(154, 170, 196, 0.2);
  --tag-text: #c2cde1;
  --bg-layer-1: radial-gradient(circle at 0 0, rgba(84, 105, 146, 0.26) 0%, rgba(84, 105, 146, 0) 38%);
  --bg-layer-2: radial-gradient(circle at 100% 0, rgba(91, 159, 223, 0.24) 0%, rgba(91, 159, 223, 0) 40%);
  --bg-layer-3: linear-gradient(180deg, #242d3c 0%, var(--bg) 42%, var(--bg-soft) 100%);
  --footer-border: rgba(159, 174, 199, 0.22);
  --topbar-shadow: 0 12px 24px rgba(4, 8, 14, 0.34);
  --shadow-soft: 0 22px 48px rgba(3, 6, 13, 0.44);
  --shadow-card: 0 16px 32px rgba(3, 6, 13, 0.36);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  overscroll-behavior-y: none;
  background-color: #1f2632;
}

body {
  font-family: "Manrope", sans-serif;
  color: var(--text);
  line-height: 1.58;
  min-height: 100dvh;
  background-color: var(--bg);
  background:
    radial-gradient(circle at 0 0, #f2f9ff 0%, rgba(242, 249, 255, 0) 35%),
    radial-gradient(circle at 100% 0, rgba(193, 223, 247, 0.56) 0%, rgba(193, 223, 247, 0) 39%),
    linear-gradient(180deg, #e5f1fb 0%, var(--bg) 42%, var(--bg-soft) 100%);
  position: relative;
  overflow-x: hidden;
  overscroll-behavior-y: none;
  display: flex;
  flex-direction: column;
}

.light body {
  background-color: #edf5fb;
  background:
    radial-gradient(circle at 0 0, #f2f9ff 0%, rgba(242, 249, 255, 0) 35%),
    radial-gradient(circle at 100% 0, rgba(193, 223, 247, 0.56) 0%, rgba(193, 223, 247, 0) 39%),
    linear-gradient(180deg, #e5f1fb 0%, #edf5fb 42%, #f4f9fd 100%);
}

.dark body {
  background-color: #1f2632;
  background:
    radial-gradient(circle at 0 0, rgba(84, 105, 146, 0.26) 0%, rgba(84, 105, 146, 0) 38%),
    radial-gradient(circle at 100% 0, rgba(91, 159, 223, 0.24) 0%, rgba(91, 159, 223, 0) 40%),
    linear-gradient(180deg, #242d3c 0%, #1f2632 42%, #1a212d 100%);
}

.light {
  background-color: #edf5fb;
}

.dark {
  background-color: #1f2632;
}

@supports (-webkit-touch-callout: none) {
  @media (pointer: coarse) {
    .dark body {
      background-image: none;
    }
  }
}

.site-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

.orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(1px);
}

.orb-one {
  width: 360px;
  height: 360px;
  top: -120px;
  right: -90px;
  background: radial-gradient(circle, rgba(90, 170, 230, 0.2), rgba(90, 170, 230, 0));
}

.orb-two {
  width: 280px;
  height: 280px;
  top: 45vh;
  left: -100px;
  background: radial-gradient(circle, rgba(102, 135, 174, 0.12), rgba(102, 135, 174, 0));
}

.orb-three {
  width: 280px;
  height: 280px;
  bottom: -100px;
  right: 18%;
  background: radial-gradient(circle, rgba(69, 140, 206, 0.16), rgba(69, 140, 206, 0));
}

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

.topbar {
  position: sticky;
  top: calc(env(safe-area-inset-top, 0px) + 0.7rem);
  z-index: 20;
  width: min(var(--max-width), 94vw);
  margin: 1rem auto 0;
  padding: 0.62rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  box-shadow: var(--topbar-shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand-logo {
  width: 1.95rem;
  height: 1.95rem;
  border-radius: 0.68rem;
  object-fit: cover;
  flex-shrink: 0;
}

.topnav {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.topnav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  font-size: 0.83rem;
  color: var(--muted);
  font-weight: 700;
  padding: 0.4rem 0.72rem;
  border-radius: 999px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.topnav a:hover {
  color: var(--text);
  background: var(--glass-hover);
}

.theme-toggle {
  border: 1px solid var(--border);
  background: var(--glass-bg);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.38rem 0.7rem;
  min-width: 4.1rem;
  font-size: 0.79rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  transition: color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.theme-toggle:hover {
  color: var(--text);
  background: var(--glass-hover);
  transform: translateY(-1px);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.topbar-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  margin-left: 0.35rem;
}

.menu-toggle {
  display: none;
  position: relative;
  overflow: visible;
  padding: 0;
  line-height: 0;
  border: 1px solid var(--border);
  background: var(--glass-bg);
  color: var(--muted);
  border-radius: 0.72rem;
  width: 2.2rem;
  height: 2.2rem;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.22rem;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.menu-toggle:hover {
  background: var(--glass-hover);
  transform: translateY(-1px);
}

.menu-toggle span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.9rem;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease, background-color 0.2s ease;
}

.menu-toggle span:nth-child(1) {
  transform: translate(-50%, -5px);
}

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

.menu-toggle span:nth-child(3) {
  transform: translate(-50%, 5px);
}

.menu-toggle.open span:nth-child(1) {
  transform: translate(-50%, 0) rotate(45deg);
}

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

.menu-toggle.open span:nth-child(3) {
  transform: translate(-50%, 0) rotate(-45deg);
}

.mobile-menu {
  display: none;
}

main {
  width: min(var(--max-width), 94vw);
  margin: 0 auto;
  padding: 2.7rem 0 4rem;
  flex: 1 0 auto;
}

.hero {
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border);
  background: linear-gradient(155deg, var(--hero-bg-start), var(--hero-bg-end));
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-soft);
  padding: clamp(1.45rem, 5vw, 3.25rem);
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  padding: 0.34rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--glass-bg);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--muted);
}

.hero h1 {
  margin-top: 1rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.05rem, 5.1vw, 3.95rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
}

.hero p {
  margin-top: 1.05rem;
  max-width: 62ch;
  color: var(--muted);
  font-size: clamp(0.98rem, 1.4vw, 1.13rem);
}

.hero-actions {
  margin-top: 1.45rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.72rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.65rem;
  white-space: nowrap;
  cursor: pointer;
  padding: 0.65rem 1.1rem;
  border-radius: 0.82rem;
  font-size: 0.88rem;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #ffffff;
  background: linear-gradient(145deg, var(--accent), var(--accent-strong));
  box-shadow: 0 12px 20px rgba(47, 134, 187, 0.32);
}

.btn-primary:hover {
  box-shadow: 0 14px 25px rgba(47, 134, 187, 0.38);
}

.btn-secondary {
  color: var(--text);
  border: 1px solid var(--border);
  background: var(--glass-bg);
}

.hero-stats {
  margin-top: 1.5rem;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.72rem;
}

.hero-stats li {
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--surface);
  padding: 0.86rem 0.95rem;
}

.hero-stats strong {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.03rem;
  letter-spacing: -0.01em;
}

.hero-stats span {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.84rem;
  color: var(--muted);
}

.projects {
  margin-top: 2.25rem;
}

.contact {
  margin-top: 2rem;
}

.contact-panel {
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border);
  background: linear-gradient(155deg, var(--hero-bg-start), var(--hero-bg-end));
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-soft);
  padding: clamp(1.4rem, 4.4vw, 2.7rem);
  display: grid;
  gap: 1rem;
  grid-template-columns: 1.12fr 0.88fr;
}

.contact-intro h2 {
  margin-top: 0.9rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.58rem, 2.9vw, 2.3rem);
  letter-spacing: -0.02em;
}

.contact-intro p {
  margin-top: 0.72rem;
  max-width: 54ch;
  color: var(--muted);
}

.contact-box {
  border: 1px solid var(--border);
  border-radius: 1.1rem;
  background: var(--surface);
  padding: 1rem;
  display: flex;
  flex-direction: column;
}

.contact-label {
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--muted);
}

.contact-email {
  margin-top: 0.55rem;
  border: 1px solid var(--border);
  border-radius: 0.82rem;
  background: var(--glass-bg);
  padding: 0.65rem 0.75rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  letter-spacing: -0.01em;
  transition: border-color 0.2s ease, transform 0.2s ease;
  overflow-wrap: anywhere;
}

.contact-email:hover {
  border-color: rgba(79, 167, 219, 0.44);
  transform: translateY(-1px);
}

.contact-hint {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.contact-actions {
  margin-top: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.72rem;
}

.contact-actions .btn {
  width: 100%;
}

#copy-email-btn {
  position: relative;
  overflow: hidden;
  transition: border-color 0.34s cubic-bezier(0.22, 1, 0.36, 1),
    background-color 0.34s cubic-bezier(0.22, 1, 0.36, 1),
    color 0.34s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.34s cubic-bezier(0.22, 1, 0.36, 1), transform 0.2s ease;
}

#copy-email-btn .copy-label {
  position: relative;
  z-index: 1;
  display: inline-block;
  transform: translateY(0);
  opacity: 1;
  will-change: transform, opacity;
}

#copy-email-btn .copy-label.is-swapping {
  animation: copy-label-swap 0.36s cubic-bezier(0.22, 1, 0.36, 1);
}

#copy-email-btn.is-error {
  border-color: rgba(79, 167, 219, 0.6);
  color: var(--accent-strong);
  background: rgba(79, 167, 219, 0.12);
}

@keyframes copy-label-swap {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  38% {
    opacity: 0;
    transform: translateY(-7px);
  }
  62% {
    opacity: 0;
    transform: translateY(7px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-head {
  margin-bottom: 1.15rem;
}

.section-head h2 {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.62rem, 2.7vw, 2.2rem);
  letter-spacing: -0.02em;
}

.section-head p {
  margin-top: 0.45rem;
  max-width: 72ch;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(268px, 1fr));
  gap: 1rem;
}

.card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(8px);
  padding: 0.92rem;
  box-shadow: var(--shadow-card);
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease,
    background-color 0.28s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(79, 167, 219, 0.44);
  box-shadow: 0 24px 40px rgba(24, 56, 96, 0.14);
  background: var(--surface-strong);
}

.card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 0.95rem;
  border: 1px solid var(--img-border);
  background-color: var(--img-bg);
  transition: transform 0.35s ease;
}

.card:hover img {
  transform: scale(1.02);
}

.card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 0.82rem 0.1rem 0.35rem;
}

.card h3 {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.18rem;
  letter-spacing: -0.015em;
}

.card p {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.93rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: auto;
}

.tags span {
  border-radius: 999px;
  border: 1px solid var(--tag-border);
  background: var(--tag-bg);
  color: var(--tag-text);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.31rem 0.68rem;
}

footer {
  width: min(var(--max-width), 94vw);
  margin: 1.9rem auto calc(2rem + env(safe-area-inset-bottom, 0px));
  padding-top: 1.2rem;
  border-top: 1px solid var(--footer-border);
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 860px) {
  .topbar {
    top: calc(env(safe-area-inset-top, 0px) + 0.5rem);
    border-radius: 1rem;
  }

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

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

@media (max-width: 760px) {
  .topbar {
    width: min(var(--max-width), 94vw);
    gap: 0.45rem;
    padding: 0.48rem 0.56rem;
    border-radius: 999px;
    position: sticky;
    overflow: visible;
  }

  .brand {
    gap: 0.46rem;
    font-size: 0.9rem;
    flex-shrink: 0;
  }

  .brand-logo {
    width: 1.78rem;
    height: 1.78rem;
  }

  .topnav {
    display: none;
  }

  .topbar-actions {
    margin-left: auto;
    display: inline-flex;
    flex-wrap: nowrap;
    gap: 0.34rem;
  }

  .theme-toggle {
    min-width: auto;
    padding: 0.36rem 0.58rem;
    font-size: 0.74rem;
    line-height: 1.1;
  }

  .menu-toggle {
    display: inline-flex;
    width: 2rem;
    height: 2rem;
  }

  .mobile-menu {
    position: absolute;
    top: calc(100% + 0.48rem);
    right: 0;
    width: min(16.8rem, calc(100vw - 1.2rem));
    border: 1px solid var(--border);
    border-radius: 1rem;
    background: var(--menu-bg);
    backdrop-filter: blur(14px) saturate(120%);
    -webkit-backdrop-filter: blur(14px) saturate(120%);
    box-shadow: var(--topbar-shadow);
    padding: 0.38rem;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    opacity: 0;
    transform: translateY(-6px);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 30;
  }

  .mobile-menu.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .mobile-menu a {
    display: flex;
    align-items: center;
    padding: 0.55rem 0.68rem;
    border-radius: 0.76rem;
    font-size: 0.84rem;
    font-weight: 700;
    color: var(--muted);
    transition: color 0.2s ease, background-color 0.2s ease;
  }

  .mobile-menu a:hover {
    color: var(--text);
    background: var(--glass-hover);
  }

  body.menu-open {
    overflow: hidden;
  }

  main {
    padding-top: 1.8rem;
  }
}

@media (max-width: 600px) {
  .topbar {
    width: min(var(--max-width), 95vw);
  }

  .theme-toggle {
    font-size: 0.68rem;
    padding-inline: 0.5rem;
  }

  .menu-toggle {
    width: 1.9rem;
    height: 1.9rem;
  }

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

  .btn {
    width: 100%;
  }

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

@media (max-width: 420px) {
  .brand > span:last-child {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}