:root {
  --bg: #060b16;
  --bg-soft: #101a2c;
  --card: rgba(20, 33, 58, 0.58);
  --text: #edf3ff;
  --muted: #a9b8d8;
  --primary: #70b2ff;
  --primary-strong: #4c8cff;
  --accent: #4ee1d2;
  --border: rgba(255, 255, 255, 0.14);
  --shadow: 0 20px 55px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", Arial, sans-serif;
  background: radial-gradient(
    circle at top,
    #132340 0%,
    var(--bg) 45%,
    #050a13 100%
  );
  color: var(--text);
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  z-index: -1;
  width: 38rem;
  height: 38rem;
  border-radius: 50%;
  filter: blur(85px);
  pointer-events: none;
}

body::before {
  background: rgba(76, 140, 255, 0.25);
  top: -10rem;
  left: -12rem;
}

body::after {
  background: rgba(78, 225, 210, 0.18);
  bottom: -14rem;
  right: -13rem;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  z-index: 50;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  box-shadow: 0 0 18px rgba(78, 225, 210, 0.65);
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.section {
  padding: 6rem 0;
  position: relative;
  scroll-margin-top: 92px;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(4, 10, 21, 0.72);
  border-bottom: 1px solid var(--border);
}

.nav-wrapper {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  position: relative;
}

.site-nav {
  display: flex;
  gap: 0.55rem;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 0.5rem 0.75rem;
  border-radius: 10px;
  position: relative;
  overflow: hidden;
  transition:
    color 0.25s ease,
    transform 0.25s ease,
    background 0.25s ease;
}

.site-nav a::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 2px;
  transform: translateX(-50%);
  background: linear-gradient(90deg, var(--accent), var(--primary));
  transition: width 0.28s ease;
}

.site-nav a:hover {
  color: var(--text);
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.06);
}

.site-nav a:hover::before {
  width: 76%;
}

.site-nav a.active {
  color: var(--accent);
  position: relative;
  background: rgba(78, 225, 210, 0.16);
  border: 1px solid rgba(78, 225, 210, 0.38);
}

.site-nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
}

@media (max-width: 1080px) {
  .site-nav a {
    font-size: 0.9rem;
    padding: 0.4rem 0.5rem;
  }
}

.hero {
  min-height: calc(100vh - 72px);
  display: grid;
  align-items: center;
}

.hero-grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1.4fr 1fr;
}

.kicker {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  font-size: 0.84rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.15;
  margin: 0.35rem 0 1rem;
}

.typing-title {
  min-height: 1.2em;
  white-space: nowrap;
  overflow: hidden;
  text-shadow: 0 0 22px rgba(112, 178, 255, 0.34);
}

.typing-cursor {
  display: inline-block;
  width: 1.5px;
  height: 0.95em;
  background: var(--accent);
  margin-left: 3px;
  vertical-align: -0.05em;
  border-radius: 999px;
  animation: typing-cursor-blink 0.8s steps(1) infinite;
}

.lead {
  color: var(--muted);
  max-width: 58ch;
}

.hero-traits {
  margin-top: 0.2rem;
}

.hero-traits strong {
  color: var(--accent);
  background: linear-gradient(
    90deg,
    var(--accent) 0%,
    #7bf0e3 45%,
    var(--primary) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.hero-actions {
  display: flex;
  gap: 0.9rem;
  margin-top: 1.2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  padding: 0.68rem 1.1rem;
  border-radius: 10px;
  font-weight: 600;
  transition:
    transform 0.2s ease,
    box-shadow 0.25s ease,
    background 0.25s ease,
    border-color 0.25s ease;
}

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

.btn-primary {
  background: linear-gradient(120deg, var(--primary), var(--accent));
  color: #05122b;
  box-shadow: 0 12px 28px rgba(112, 178, 255, 0.34);
}

.btn-primary:hover {
  background: linear-gradient(120deg, var(--primary-strong), var(--accent));
  box-shadow: 0 14px 30px rgba(78, 225, 210, 0.3);
}

.btn-outline {
  color: var(--text);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.btn-outline:hover {
  border-color: rgba(112, 178, 255, 0.65);
}

.hero-card {
  background: var(--card);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.4rem;
  box-shadow: var(--shadow);
  transition:
    transform 0.28s ease,
    box-shadow 0.28s ease;
}

.hero-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.42);
}

.profile-photo {
  width: 100%;
  max-width: 320px;
  display: block;
  margin: 0 auto 1rem;
  border-radius: 18px;
  border: 1px solid var(--border);
  object-fit: cover;
  box-shadow: 0 15px 36px rgba(0, 0, 0, 0.35);
}

.section-title {
  margin: 0 0 1rem;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: 0.2px;
}

.section-text {
  color: var(--muted);
  max-width: 75ch;
}

.timeline {
  display: grid;
  gap: 1rem;
}

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

.timeline-item,
.project-card,
.skill-item {
  background: rgba(255, 255, 255, 0.025);
  backdrop-filter: blur(9px);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.1rem 1.2rem;
  box-shadow: 0 12px 30px rgba(2, 9, 20, 0.24);
  transition:
    border-color 0.25s ease,
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

.timeline-item:hover,
.project-card:hover,
.skill-item:hover {
  transform: translateY(-3px);
  border-color: rgba(112, 178, 255, 0.45);
  box-shadow: 0 18px 36px rgba(2, 9, 20, 0.35);
}

.timeline-item h3,
.project-card h3 {
  margin: 0;
}

.timeline-item span {
  display: block;
  margin: 0.2rem 0 0.6rem;
  color: var(--primary);
  font-size: 0.9rem;
}

.timeline-item ul {
  margin: 0.5rem 0 0;
  padding-left: 1.1rem;
}

.timeline-item li {
  margin-bottom: 0.4rem;
}

.project-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.project-card a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

.project-card a:hover {
  text-decoration: underline;
}

.skills-list {
  display: grid;
  gap: 0.9rem;
}

.skill-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.55rem;
}

.skill-bar {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.skill-progress {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #7ed0ff);
  border-radius: inherit;
  transition: width 1.15s ease;
}

.contact-shell {
  margin-top: 1rem;
  border: 1px solid var(--border);
  background: linear-gradient(
    140deg,
    rgba(255, 255, 255, 0.03),
    rgba(255, 255, 255, 0.015)
  );
  border-radius: 18px;
  padding: 1.35rem;
  display: grid;
  gap: 1.2rem;
  box-shadow: 0 16px 34px rgba(2, 9, 20, 0.28);
}

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

.contact-cta {
  width: fit-content;
}

.contact-cards {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.contact-card {
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--border);
  background: rgba(7, 13, 25, 0.52);
  border-radius: 14px;
  padding: 0.95rem 1rem;
  display: grid;
  gap: 0.2rem;
  transition:
    transform 0.22s ease,
    border-color 0.22s ease,
    box-shadow 0.22s ease;
}

.contact-card:hover {
  transform: translateY(-3px);
  border-color: rgba(78, 225, 210, 0.6);
  box-shadow: 0 14px 30px rgba(2, 9, 20, 0.35);
}

.contact-label {
  font-size: 0.78rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}

.contact-value {
  font-weight: 600;
  color: var(--text);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.2rem 0;
  color: var(--muted);
}

.back-to-top {
  position: fixed;
  right: 1.7rem;
  bottom: 1.7rem;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 50%;
  background: linear-gradient(140deg, var(--accent), var(--primary));
  color: #04101f;
  font-size: 1.25rem;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 8px 16px rgba(78, 225, 210, 0.18);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition:
    opacity 0.25s ease,
    transform 0.25s ease,
    visibility 0.25s ease;
  z-index: 45;
}

.back-to-top:hover {
  transform: translateY(7px) scale(1.04);
}

.back-to-top.bounce {
  animation: back-to-top-bounce 0.35s ease;
}

@keyframes back-to-top-bounce {
  0% {
    transform: translateY(0) scale(1);
  }
  35% {
    transform: translateY(4px) scale(0.96);
  }
  70% {
    transform: translateY(-2px) scale(1.02);
  }
  100% {
    transform: translateY(0) scale(1);
  }
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.quote {
  margin: 1.2rem 0 0;
  border-left: 4px solid var(--accent);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 0 12px 12px 0;
  padding: 0.9rem 1rem;
  color: var(--text);
}

.quote cite {
  margin-top: 0.7rem;
  display: block;
  color: var(--muted);
  font-style: normal;
}

.reveal-up,
.reveal-left {
  opacity: 0;
  transform: translateY(24px);
  filter: blur(6px);
  transition:
    opacity 0.52s ease,
    transform 0.52s ease,
    filter 0.52s ease;
}

.reveal-left {
  transform: translateX(24px);
}

.stagger-item {
  opacity: 0;
  transform: translateY(18px) scale(0.985);
  filter: blur(8px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease,
    filter 0.6s ease;
}

.flow-item {
  opacity: 0;
  filter: blur(8px);
  transition:
    opacity 0.66s ease,
    transform 0.66s ease,
    filter 0.66s ease;
}

.flow-left {
  transform: translateX(-64px) scale(0.985);
}

.flow-right {
  transform: translateX(64px) scale(0.985);
}

.show {
  opacity: 1;
  transform: translate(0, 0);
  filter: blur(0);
}

.delay-1 {
  transition-delay: 0.12s;
}

.delay-2 {
  transition-delay: 0.24s;
}

@keyframes typing-cursor-blink {
  0%,
  49% {
    opacity: 1;
  }
  50%,
  100% {
    opacity: 0;
  }
}

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

@media (max-width: 900px) {
  body::before,
  body::after {
    display: none;
  }

  .hero-grid,
  .project-grid,
  .grid-two {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 1500px) {
  .back-to-top {
    display: none !important;
  }
}

@media (max-width: 720px) {
  .menu-btn {
    display: inline-flex;
    position: absolute;
    left: 0;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 72px;
    right: 4%;
    flex-direction: column;
    background: #0f192d;
    border: 1px solid var(--border);
    padding: 0.6rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    min-width: 220px;
    gap: 0.2rem;
  }

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