:root {
  --bg: #f7f6f2;
  --surface: #ffffff;
  --text: #171717;
  --subtext: #555555;
  --stroke: #d9d7d1;
  --primary: #0f766e;
  --primary-strong: #0b4f4a;
  --accent: #ff7b00;
  --mesh-a: #d9f7f1;
  --mesh-b: #ffe9cc;
  --shadow: 0 14px 35px rgba(0, 0, 0, 0.08);
  --motion-fast: 180ms;
  --motion-mid: 360ms;
}

body.dark {
  --bg: #090d12;
  --surface: #111822;
  --text: #eef4ff;
  --subtext: #9db0cc;
  --stroke: #273244;
  --primary: #5eead4;
  --primary-strong: #89fff1;
  --accent: #fbbf24;
  --mesh-a: #123544;
  --mesh-b: #271f0f;
  --shadow: 0 14px 35px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Sora", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background 0.3s ease, color 0.3s ease;
}

.mesh-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.85;
  background:
    radial-gradient(circle at 10% 10%, var(--mesh-a), transparent 35%),
    radial-gradient(circle at 90% 20%, var(--mesh-b), transparent 35%),
    linear-gradient(140deg, var(--bg), color-mix(in srgb, var(--bg) 75%, #000 25%));
  animation: meshDrift 14s ease-in-out infinite alternate;
}

@keyframes meshDrift {
  0% {
    transform: scale(1) translate3d(0, 0, 0);
  }
  100% {
    transform: scale(1.03) translate3d(0, -8px, 0);
  }
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--stroke);
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  backdrop-filter: blur(10px);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.logo {
  color: var(--text);
  text-decoration: none;
  font-family: "Bebas Neue", sans-serif;
  letter-spacing: 0.05em;
  font-size: 1.55rem;
}

.menu {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.menu a {
  color: var(--subtext);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  position: relative;
  transition: color var(--motion-fast) ease;
}

.menu a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--motion-mid) ease;
}

.menu a:hover,
.menu a:focus-visible,
.menu a.active {
  color: var(--primary);
}

.menu a:hover::after,
.menu a:focus-visible::after,
.menu a.active::after {
  transform: scaleX(1);
}

.mode-btn {
  border: 1px solid var(--stroke);
  background: linear-gradient(130deg, color-mix(in srgb, var(--primary) 14%, var(--surface)), var(--surface));
  color: var(--text);
  border-radius: 999px;
  padding: 0.5rem 0.9rem;
  cursor: pointer;
  transition: transform var(--motion-fast) ease, box-shadow var(--motion-fast) ease;
  box-shadow: 0 8px 18px rgba(15, 118, 110, 0.16);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.mode-btn:hover,
.mode-btn:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 10px 18px rgba(15, 118, 110, 0.22);
}

.mode-inline {
  margin-left: 0.5rem;
}

.hero {
  padding: 5.5rem 0 2rem;
}

.hero-kicker {
  margin: 0;
  color: var(--primary);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  font-size: 0.8rem;
  font-weight: 700;
}

.hero h1 {
  margin: 0.5rem 0 0;
  max-width: 15ch;
  line-height: 1.03;
  font-size: clamp(2.3rem, 7vw, 5rem);
  font-weight: 800;
}

.outline {
  color: transparent;
  -webkit-text-stroke: 1px var(--primary);
}

.hero-text {
  max-width: 62ch;
  color: var(--subtext);
  margin-top: 1rem;
}

.hero-cta {
  margin-top: 1.5rem;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn {
  text-decoration: none;
  border-radius: 999px;
  padding: 0.65rem 1rem;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--motion-fast) ease, box-shadow var(--motion-fast) ease, filter var(--motion-fast) ease;
}

.btn-solid {
  background: linear-gradient(130deg, var(--primary), var(--primary-strong));
  color: #ffffff;
}

.btn-outline {
  border-color: var(--stroke);
  color: var(--text);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  filter: brightness(1.02);
}

.btn-solid:hover,
.btn-solid:focus-visible {
  box-shadow: 0 14px 26px rgba(15, 118, 110, 0.3);
}

.live-indicator {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--subtext);
  font-size: 0.95rem;
}

.live-indicator span {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: #22c55e;
  animation: blink 1.2s infinite;
}

@keyframes blink {
  0% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.75); }
  100% { opacity: 1; transform: scale(1); }
}

.metrics {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.metrics article {
  background: var(--surface);
  border: 1px solid var(--stroke);
  border-radius: 16px;
  padding: 1.1rem;
  box-shadow: var(--shadow);
  transition: transform var(--motion-fast) ease, border-color var(--motion-fast) ease;
}

.metrics article:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--primary) 50%, var(--stroke));
}

.metrics h2 {
  margin: 0;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  color: var(--accent);
}

.metrics p {
  margin: 0.3rem 0 0;
  color: var(--subtext);
  font-size: 0.95rem;
}

.section {
  padding-top: 4.8rem;
}

.section-top h2 {
  margin: 0.4rem 0 1rem;
  font-size: clamp(1.6rem, 4vw, 2.7rem);
  max-width: 20ch;
}

.label {
  margin: 0;
  color: var(--primary);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
}

.about-layout {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.about-layout article,
.stack-grid > div,
.card,
.profile-card,
.rail article,
.connect-list a,
.message-form {
  background: var(--surface);
  border: 1px solid var(--stroke);
  border-radius: 16px;
  box-shadow: var(--shadow);
  transition: transform var(--motion-fast) ease, border-color var(--motion-fast) ease, box-shadow var(--motion-fast) ease;
}

.about-layout article:hover,
.stack-grid > div:hover,
.card:hover,
.profile-card:hover,
.rail article:hover,
.message-form:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--primary) 45%, var(--stroke));
}

.about-layout article {
  padding: 1rem;
}

.about-layout h3,
.card h3 {
  margin: 0;
}

.about-layout p,
.card p,
.rail p {
  color: var(--subtext);
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.stack-grid > div {
  padding: 1rem;
}

.stack-grid p {
  margin: 0;
  font-weight: 700;
  color: var(--primary);
}

.stack-grid ul {
  margin: 0.5rem 0 0;
  padding-left: 1rem;
}

.work-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.tab {
  border: 1px solid var(--stroke);
  border-radius: 999px;
  background: var(--surface);
  color: var(--subtext);
  padding: 0.4rem 0.8rem;
  cursor: pointer;
  transition: transform var(--motion-fast) ease, background var(--motion-fast) ease, color var(--motion-fast) ease;
}

.tab:hover,
.tab:focus-visible {
  transform: translateY(-1px);
}

.tab.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.cards {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.profile-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.profile-card {
  background: var(--surface);
  border: 1px solid var(--stroke);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 1rem;
}

.profile-head {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.profile-head h3 {
  margin: 0;
}

.profile-head a {
  color: var(--subtext);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--motion-fast) ease;
}

.profile-head a:hover,
.profile-head a:focus-visible {
  color: var(--primary);
}

.profile-stats {
  margin: 0.8rem 0 0;
  color: var(--primary);
  font-weight: 700;
}

.card {
  padding: 1rem;
}

.card a {
  color: var(--primary);
  font-weight: 700;
  text-decoration: none;
}

.card.card-pop {
  animation: cardPop 300ms ease;
}

@keyframes cardPop {
  0% {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.8rem 0;
}

.chips span {
  background: color-mix(in srgb, var(--accent) 20%, var(--surface));
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  font-size: 0.82rem;
}

.rail {
  border-left: 2px dashed var(--stroke);
  margin-left: 0.5rem;
  padding-left: 1rem;
  display: grid;
  gap: 1rem;
}

.rail article {
  padding: 0.9rem;
}

.rail time {
  font-weight: 800;
  color: var(--accent);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 1rem;
}

.connect-list {
  display: grid;
  gap: 0.8rem;
  align-content: start;
  grid-auto-rows: minmax(86px, auto);
}

.connect-list a {
  text-decoration: none;
  color: var(--text);
  padding: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.connect-list a:hover,
.connect-list a:focus-visible {
  transform: translateY(-2px) scale(1.01);
  border-color: var(--primary);
}

.platform-icon {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.platform-icon svg {
  width: 19px;
  height: 19px;
}

.platform-gmail {
  background: #ea4335;
  color: #ffffff;
}

.platform-linkedin {
  background: #0a66c2;
  color: #0a66c2;
}

.platform-github {
  background: #111827;
  color: #ffffff;
}

body.dark .platform-github {
  background: #e2e8f0;
  color: #0f172a;
}

.platform-icon-img {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
}

.message-form {
  padding: 1rem;
  display: grid;
  gap: 0.45rem;
}

.message-form input,
.message-form select,
.message-form textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--stroke);
  background: var(--bg);
  color: var(--text);
  padding: 0.65rem;
  font-family: inherit;
  transition: border-color var(--motion-fast) ease, box-shadow var(--motion-fast) ease;
}

.message-form input:focus,
.message-form select:focus,
.message-form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 26%, transparent);
}

.message-status {
  margin: 0;
  min-height: 1.2em;
  color: var(--primary);
  font-weight: 600;
}

.footer {
  padding: 3rem 0 2rem;
  color: var(--subtext);
}

.reveal {
  opacity: 0;
  transform: translateY(16px) scale(0.99);
  transition: opacity 0.7s ease, transform 0.7s ease;
  transition-delay: var(--reveal-delay, 0ms);
}

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

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

@media (max-width: 980px) {
  .metrics,
  .about-layout,
  .stack-grid,
  .cards,
  .profile-grid {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 760px) {
  .header-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .mode-inline {
    margin-left: 0;
  }

  .hero {
    padding-top: 4.6rem;
  }

  .metrics,
  .about-layout,
  .stack-grid,
  .cards,
  .profile-grid {
    grid-template-columns: 1fr;
  }
}