:root {
  --font-display: "DM Serif Display", serif;
  --font-body: "Space Grotesk", sans-serif;

  --bg-0: #07090f;
  --bg-1: #0e1324;
  --surface: rgba(17, 23, 43, 0.62);
  --surface-strong: rgba(18, 26, 50, 0.85);
  --text: #e8edff;
  --muted: #a8b5d9;
  --accent: #46d5ff;
  --accent-2: #6678ff;
  --border: rgba(162, 179, 255, 0.25);
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.4);
}

html[data-theme="light"] {
  --bg-0: #f6f8ff;
  --bg-1: #eff4ff;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-strong: rgba(255, 255, 255, 0.9);
  --text: #09102a;
  --muted: #54607c;
  --accent: #0ea5e9;
  --accent-2: #4257ff;
  --border: rgba(73, 94, 170, 0.24);
  --shadow: 0 20px 48px rgba(39, 58, 110, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: linear-gradient(120deg, var(--bg-0), var(--bg-1));
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

.container {
  width: min(1120px, 92vw);
  margin-inline: auto;
}

.section {
  padding: 6.25rem 0;
}

.site-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(10px);
  opacity: 0.65;
}

.orb-1 {
  width: 26rem;
  height: 26rem;
  background: radial-gradient(circle, rgba(73, 228, 255, 0.7), transparent 68%);
  top: -6rem;
  left: -7rem;
  animation: drift 16s ease-in-out infinite;
}

.orb-2 {
  width: 28rem;
  height: 28rem;
  background: radial-gradient(circle, rgba(108, 117, 255, 0.72), transparent 64%);
  top: 25%;
  right: -10rem;
  animation: drift 20s ease-in-out infinite reverse;
}

.orb-3 {
  width: 22rem;
  height: 22rem;
  background: radial-gradient(circle, rgba(57, 190, 255, 0.5), transparent 70%);
  bottom: -6rem;
  left: 36%;
  animation: drift 18s ease-in-out infinite;
}

.grid-mask {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(125, 146, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(125, 146, 255, 0.08) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, black 24%, transparent 95%);
}

.header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--bg-0) 65%, transparent);
  border-bottom: 1px solid rgba(126, 145, 219, 0.2);
  z-index: 20;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 1rem;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.9rem;
  letter-spacing: 0.03em;
}

.logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  font-weight: 500;
  transition: color 220ms ease;
}

.nav-links a.active,
.nav-links a:hover {
  color: var(--text);
}

.menu-toggle,
.theme-toggle {
  border: 1px solid var(--border);
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  display: inline-grid;
  place-items: center;
  cursor: pointer;
}

.menu-toggle {
  display: none;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: 2rem;
  min-height: calc(100vh - 76px);
}

.eyebrow {
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.8rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin-top: 0;
}

h1 {
  margin-bottom: 1rem;
}

h1 .name {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4rem);
  display: block;
}

h1 .line {
  font-size: clamp(1.2rem, 2.5vw, 2rem);
  color: color-mix(in srgb, var(--text) 84%, var(--accent));
}

.typing-wrap {
  font-size: clamp(1rem, 2vw, 1.2rem);
  min-height: 1.8em;
}

.typed-text {
  color: var(--accent);
  border-right: 2px solid var(--accent);
  padding-right: 0.25rem;
}

.hero-summary {
  max-width: 56ch;
  color: var(--muted);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin: 1.6rem 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border-radius: 12px;
  border: 1px solid transparent;
  font-weight: 700;
  padding: 0.78rem 1.1rem;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.btn:hover {
  transform: translateY(-3px);
}

.btn-primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #f7fbff;
  box-shadow: 0 12px 30px rgba(38, 151, 255, 0.34);
}

.btn-ghost {
  border-color: var(--border);
  background: var(--surface);
}

.socials {
  display: flex;
  gap: 0.7rem;
}

.socials a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  display: inline-grid;
  place-items: center;
  transition: all 220ms ease;
}

.socials a:hover {
  transform: translateY(-2px);
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
}

.hero-image {
  position: relative;
  width: min(460px, 100%);
  margin-inline: auto;
}

.profile-ring {
  padding: 0.7rem;
  border-radius: 30px;
  background: linear-gradient(130deg, rgba(51, 208, 255, 0.8), rgba(101, 117, 255, 0.85));
  box-shadow: var(--shadow);
}

.profile-ring img {
  border-radius: 24px;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.floating-card {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.58rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-strong);
  backdrop-filter: blur(10px);
  font-size: 0.88rem;
  box-shadow: var(--shadow);
}

.card-1 {
  top: 14%;
  left: -8%;
}

.card-2 {
  bottom: 11%;
  right: -8%;
}

.section-head {
  max-width: 720px;
  margin-bottom: 2rem;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  margin-bottom: 0;
}

.about-grid,
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.about-card,
.skill-card,
.project-card,
.timeline-item,
.service-card,
.contact-form,
.contact-info {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.2rem;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
}

.about-card p {
  color: var(--muted);
}

.about-card ul {
  margin: 0;
  padding-left: 1rem;
  color: var(--muted);
}

.skills-grid,
.project-grid,
.service-grid {
  display: grid;
  gap: 1rem;
}

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

.skill-top {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.6rem;
  font-weight: 600;
}

.skill-bar {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: rgba(141, 164, 255, 0.26);
  overflow: hidden;
}

.skill-bar span {
  display: block;
  width: var(--value);
  height: 100%;
  background: linear-gradient(110deg, var(--accent), var(--accent-2));
}

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

.project-card {
  position: relative;
  overflow: hidden;
  transition: transform 250ms ease, border-color 250ms ease;
}

.project-card::after {
  content: "";
  position: absolute;
  inset: auto -28% -72% -28%;
  height: 60%;
  background: radial-gradient(circle, rgba(70, 213, 255, 0.3), transparent 68%);
  opacity: 0;
  transition: opacity 260ms ease;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
}

.project-card:hover::after {
  opacity: 1;
}

.project-card p {
  color: var(--muted);
}

.project-actions {
  display: flex;
  gap: 0.75rem;
}

.project-actions a {
  border-bottom: 2px solid transparent;
  font-weight: 600;
  color: var(--text);
}

.project-actions a:hover {
  border-color: var(--accent);
}

.tech {
  font-size: 0.9rem;
  color: color-mix(in srgb, var(--muted) 70%, var(--accent));
}

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

.year {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.02em;
}

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

.service-card i {
  font-size: 1.4rem;
  margin-bottom: 0.6rem;
  color: var(--accent);
}

.service-card p {
  color: var(--muted);
}

.contact-info {
  display: grid;
  align-content: start;
  gap: 0.75rem;
}

.contact-info a {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text);
}

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

.contact-form label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.contact-form input,
.contact-form textarea {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.72rem 0.8rem;
  font: inherit;
  color: var(--text);
  background: color-mix(in srgb, var(--surface) 80%, transparent);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 45%, transparent);
  border-color: transparent;
}

.form-status {
  min-height: 1.2rem;
  margin: 0;
  color: var(--accent);
}

.footer {
  text-align: center;
  border-top: 1px solid rgba(145, 160, 228, 0.2);
  padding: 1.2rem 1rem 2rem;
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(22px) scale(0.98);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

.delay-1 {
  transition-delay: 120ms;
}

.delay-2 {
  transition-delay: 240ms;
}

@keyframes drift {
  0%,
  100% {
    transform: translateY(0px) translateX(0px);
  }
  50% {
    transform: translateY(24px) translateX(16px);
  }
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 2rem;
    min-height: auto;
  }

  .project-grid,
  .about-grid,
  .contact-grid,
  .service-grid,
  .skills-grid {
    grid-template-columns: 1fr;
  }

  .menu-toggle {
    display: inline-grid;
  }

  .nav-links {
    position: fixed;
    top: 76px;
    right: -100%;
    width: min(320px, 82vw);
    height: calc(100vh - 76px);
    background: color-mix(in srgb, var(--bg-0) 82%, transparent);
    backdrop-filter: blur(16px);
    border-left: 1px solid var(--border);
    display: grid;
    align-content: start;
    gap: 0;
    transition: right 260ms ease;
    padding: 1rem;
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links li {
    padding: 0.6rem 0;
    border-bottom: 1px solid rgba(152, 167, 243, 0.2);
  }

  .card-1 {
    left: -1%;
    top: 7%;
  }

  .card-2 {
    right: -1%;
    bottom: 8%;
  }
}

@media (max-width: 560px) {
  .section {
    padding: 4.5rem 0;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .floating-card {
    font-size: 0.8rem;
  }
}