:root {
  --bg: #f6f7fb;
  --card: #ffffff;
  --muted: #69707a;
  --accent: #0b76ef;
  --radius: 12px;
  color-scheme: light;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
}

body.dark {
  --bg: #111;
  --card: #1a1a1a;
  --muted: #aaa;
  --accent: #4ea1ff;
  color-scheme: dark;
  color: #f5f5f5;
}

/* GENERAL RESETS */
* { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: #222;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  padding: 32px 20px;
  font-size: 16px;
  transition: background 0.3s ease, color 0.3s ease;
}
body.landing-active {
  display: flex;
  justify-content: center;
  align-items: center;
}
body:not(.landing-active) {
  display: block;
}

.wrap {
  width: 100%;
  max-width: 980px;
  margin: auto;
}
.hidden { display: none; }

/* LANDING PAGE */
.landing {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at top right, #0b76ef 0%, #123249 100%);
  animation: fadeIn 1s ease forwards;
  z-index: 9999;
  color: white;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.landing-content {
  text-align: center;
  animation: fadeUp 1.2s ease forwards;
}

.landing-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin-bottom: 20px;
  object-fit: cover;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
}
.landing-avatar:hover { transform: scale(1.05); }

.landing h1 {
  font-size: 42px;
  margin: 0 0 10px;
  font-weight: 800;
}

.landing p {
  margin: 0 0 24px;
  font-size: 18px;
  color: #dce9ff;
}

/* Typing Effect */
.typing-text {
  font-size: 18px;
  color: #dce9ff;
  min-height: 24px;
  font-family: monospace;
  border-right: 3px solid #fff;
  white-space: nowrap;
  overflow: hidden;
  width: fit-content;
  margin: 0 auto 24px;
  animation: blink 0.8s infinite;
}

@keyframes blink {
  50% { border-color: transparent; }
}

/* Socials */
.socials {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin: 20px 0;
}
.socials a {
  color: white;
  font-size: 22px;
  transition: transform 0.3s ease, color 0.3s ease;
}
.socials a:hover {
  transform: translateY(-3px);
  color: var(--accent);
}

/* Enter Button */
.enter-btn {
  background: linear-gradient(135deg, #0b76ef, #004a99);
  color: #fff;
  font-weight: 700;
  padding: 12px 26px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  font-size: 16px;
  box-shadow: 0 0 16px rgba(11,118,239,0.6);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.enter-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 26px rgba(11,118,239,0.9);
}

/* Ripple effect */
.enter-btn::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
  background: rgba(255,255,255,0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: width 0.4s ease, height 0.4s ease, opacity 0.8s;
}
.enter-btn:active::after {
  width: 200px;
  height: 200px;
  opacity: 0;
  transition: 0s;
}

/* Landing Fade Out */
.landing.fade-out {
  opacity: 0;
  visibility: hidden;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* HERO / HEADER */
.hero {
  background: linear-gradient(90deg, rgba(11,118,239,0.08), rgba(11,118,239,0.02));
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  gap: 24px;
  align-items: center;
  margin-bottom: 20px;
  transition: background 0.3s ease;
}
body.dark .hero {
  background: linear-gradient(90deg, rgba(78,161,255,0.15), rgba(78,161,255,0.05));
}

.avatar {
  width: 110px;
  height: 110px;
  border-radius: 18px;
  flex: 0 0 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(11,118,239,0.08);
}
.avatar img {
  width: 100%;
  height: 100%;
  border-radius: 18px;
  object-fit: cover;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.avatar img:hover {
  transform: scale(1.08);
  box-shadow: 0 8px 20px rgba(0,0,0,0.25);
}

.hero-top-row {
  display: flex;
  align-items: center;
  gap: 16px;
}
.hero h1 { margin: 0; font-size: 26px; font-weight: 800; }
.hero p { margin: 6px 0 0; color: var(--muted); }
.hero .ctas { margin-top: 12px; display: flex; gap: 10px; align-items: center; }

/* BUTTONS */
.btn {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.25s ease;
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 0 10px rgba(11,118,239,0.6);
}
.btn-primary:hover {
  box-shadow: 0 0 20px rgba(11,118,239,0.9);
  transform: translateY(-2px);
}
.btn-outline {
  border: 1px solid rgba(11,118,239,0.12);
  background: transparent;
  color: var(--accent);
}
.btn-outline:hover {
  background: rgba(11,118,239,0.08);
  box-shadow: 0 3px 10px rgba(11,118,239,0.2);
  transform: translateY(-2px);
}

/* THEME TOGGLE */
.toggle-theme {
  cursor: pointer;
  background: transparent;
  border: none;
  font-size: 20px;
  line-height: 1;
  padding: 8px;
  border-radius: 8px;
  transition: background 0.2s;
}
.toggle-theme:hover {
  background: rgba(0,0,0,0.06);
}
body.dark .toggle-theme:hover {
  background: rgba(255,255,255,0.1);
}

/* GRID LAYOUT */
.grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 20px;
}
@media (max-width: 880px) {
  .grid { grid-template-columns: 1fr; }
  .hero { flex-direction: column; align-items: flex-start; }
}

/* CARD */
.card {
  background: var(--card);
  border-radius: 12px;
  padding: 18px;
  box-shadow: 0 6px 18px rgba(36,37,38,0.06);
  transition: all 0.3s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}
h2 { margin: 0 0 12px; font-size: 18px; }

/* SKILLS */
.skills { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  background: linear-gradient(180deg, #f7fbff, #ffffff);
  border-radius: 999px;
  padding: 8px 12px;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid rgba(11,118,239,0.06);
  transition: all 0.3s ease;
}
body.dark .chip { background: #222; border: 1px solid #333; color: #ddd; }

/* PROJECTS */
.projects { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; }
@media (max-width: 500px) { .projects { grid-template-columns: 1fr; } }
.project {
  padding: 12px;
  border-radius: 10px;
  background: linear-gradient(180deg, #fff, #fafcff);
  border: 1px solid rgba(10,10,10,0.03);
  transition: all 0.3s ease;
}
body.dark .project { background: #1c1c1c; border: 1px solid #333; }
.project:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 18px rgba(11,118,239,0.12);
}
.project a {
  display: inline-block;
  margin-top: 8px;
  text-decoration: none;
  font-weight: 600;
  color: var(--accent);
}

/* TIMELINE / EXPERIENCE */
.item {
  padding: 10px;
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #fbfbff);
  border: 1px solid rgba(0,0,0,0.03);
  transition: all 0.3s ease;
}
body.dark .item { background: #1c1c1c; border: 1px solid #333; }
.item:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 14px rgba(0,0,0,0.08);
}
.item .meta { font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.item h3 { margin: 0 0 6px; font-size: 15px; }

/* CONTACT */
.contact-list { display: flex; flex-direction: column; gap: 10px; }
.contact-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}
.contact-btn i { flex-shrink: 0; font-size: 16px; }
.contact-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.contact-btn.email { background: #e74c3c; color: #fff; }
.contact-btn.github { background: #2d333b; color: #fff; }
.contact-btn.linkedin { background: #0b76ef; color: #fff; }

/* FOOTER */
footer {
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

/* PRINT-FRIENDLY */
@media print {
  body { padding: 0; background: white; color: black; }
  .hero { background: transparent; box-shadow: none; }
  .btn, .toggle-theme { display: none; }
}

/* SMALL HELPERS */
.muted { color: var(--muted); }
.small { font-size: 13px; }

/*  MOBILE OPTIMIZATION  */
@media (max-width: 768px) {
  body.landing-active {
    padding: 0;
  }

  .landing-avatar {
    width: 90px;
    height: 90px;
    margin-bottom: 16px;
  }

  .landing h1 {
    font-size: 28px;
  }

  .landing p {
    font-size: 15px;
    line-height: 1.4;
    margin-bottom: 20px;
  }

  .socials {
    gap: 14px;
    margin: 12px 0;
  }

  .socials a {
    font-size: 20px;
  }

  #enterBtn {
    font-size: 15px;
    padding: 9px 18px;
    border-radius: 8px;
  }

  .landing-content {
    transform: scale(0.95);
    padding: 0 20px;
  }

  html, body {
    overflow-x: hidden;
  }
}
/* NAVBAR */
.navbar {
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 16px;
  padding: 10px 28px;
  z-index: 10000;
}

.navbar ul {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar a {
  color: #fff;
  font-weight: 500;
  text-decoration: none;
  font-size: 15px;
  position: relative;
  transition: color 0.3s ease;
}

.navbar a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0%;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: width 0.3s ease;
}

.navbar a:hover::after,
.navbar a.active::after {
  width: 100%;
}

.navbar a:hover {
  color: #d0e4ff;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .navbar {
    top: 20px;
    padding: 7px 17px;
  }
  .navbar ul {
    gap: 17px;
  }
  .navbar a {
    font-size: 14px;
  }
}