/* =============== RESET =============== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background: radial-gradient(circle at top, #111827 0, #020617 45%, #000 100%);
  color: #f9fafb;
  overflow-x: hidden;
  position: relative;
}

/* Canvas background */
#particles {
  position: fixed;
  inset: 0;
  z-index: -1;
}

/* =============== NAVBAR =============== */
.top-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 10px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: linear-gradient(90deg, rgba(15,23,42,.85), rgba(17,24,39,.8));
  border-bottom: 1px solid rgba(148,163,184,.4);
}

.logo {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.logo span {
  color: #22d3ee;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-links a,
.nav-links button {
  border: none;
  background: transparent;
  color: #e5e7eb;
  text-decoration: none;
  font-size: 14px;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 999px;
  transition: 0.25s;
}

.nav-links a:hover,
.nav-links button:hover {
  color: #0f172a;
  background: #22d3ee;
  box-shadow: 0 0 18px rgba(34, 211, 238, 0.7);
}

.nav-resume-btn {
  border: 1px solid #22d3ee;
}

/* =============== DARK TOGGLE & FLOATING RESUME =============== */
.dark-toggle {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 40;
  border-radius: 999px;
  border: none;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  font-size: 20px;
  cursor: pointer;
  background: #22d3ee;
  color: #0f172a;
  box-shadow: 0 0 18px rgba(34, 211, 238, 0.6);
}

.floating-resume {
  position: fixed;
  left: 20px;
  bottom: 20px;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: linear-gradient(135deg, #6366f1, #ec4899);
  color: #f9fafb;
  text-decoration: none;
  z-index: 40;
  box-shadow: 0 0 20px rgba(236, 72, 153, 0.8);
}

/* =============== HERO =============== */
.hero {
  min-height: 100vh;
  padding-top: 120px;
  padding-inline: 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.profile-frame {
  width: 180px;
  height: 180px;
  border-radius: 999px;
  padding: 4px;
  background: conic-gradient(
    from 0deg,
    #22d3ee,
    #6366f1,
    #ec4899,
    #22d3ee
  );
  /* no rotation */
}

.profile-pic {
  width: 100%;
  height: 100%;
  border-radius: inherit;
  object-fit: cover;
  border: 4px solid #020617;
}

.hero h1 {
  margin-top: 18px;
  font-size: 30px;
}

.hero .accent {
  color: #22d3ee;
}

.typing-text {
  margin-top: 10px;
  min-height: 26px;
  font-size: 17px;
  color: #e5e7eb;
  text-shadow: 0 0 12px rgba(34, 211, 238, 0.5);
}

.btn {
  display: inline-block;
  text-decoration: none;
  border-radius: 999px;
  padding: 10px 22px;
  font-size: 14px;
  margin-top: 18px;
  cursor: pointer;
  border: none;
}

.primary-btn {
  background: linear-gradient(135deg, #22d3ee, #6366f1);
  color: #020617;
  font-weight: 600;
  box-shadow: 0 0 20px rgba(79, 70, 229, 0.75);
  transition: transform 0.2s, box-shadow 0.2s;
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 26px rgba(94, 234, 212, 0.85);
}

.visitor-box {
  margin-top: 14px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: rgba(15,23,42,0.8);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

/* =============== SECTIONS =============== */
.section {
  padding: 60px 20px;
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.glass-card {
  background: rgba(15, 23, 42, 0.85);
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  box-shadow: 0 0 28px rgba(15, 23, 42, 0.9);
}

.section-title {
  font-size: 26px;
  margin-bottom: 20px;
  color: #e5e7eb;
  text-shadow: 0 0 16px rgba(56, 189, 248, 0.6);
}

.section p {
  line-height: 1.7;
  color: #cbd5f5;
}

/* =============== SKILLS =============== */
.skills-grid {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
}

.skill-item {
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(15,23,42,.8);
  border: 1px solid rgba(148,163,184,0.5);
  font-size: 13px;
  transition: 0.2s;
}

.skill-item:hover {
  background: linear-gradient(90deg, #22d3ee, #6366f1);
  color: #020617;
  box-shadow: 0 0 18px rgba(94, 234, 212, 0.8);
}

/* =============== PROJECTS =============== */
.projects-container {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.project-card {
  border-radius: 18px;
  overflow: hidden;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.7);
  box-shadow: 0 0 24px rgba(15, 23, 42, 0.95);
  text-align: left;
  transform: translateY(0);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.project-card img {
  width: 100%;
  height: 150px;
  object-fit: cover;
}

.project-card h3 {
  font-size: 17px;
  margin: 12px 14px 6px;
}

.project-card p {
  font-size: 13px;
  color: #cbd5f5;
  margin: 0 14px 6px;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.8);
  border-color: #22d3ee;
}

.project-links {
  margin: 8px 14px 14px;
}

.project-links a {
  display: inline-block;
  margin-right: 8px;
  margin-bottom: 6px;
  font-size: 13px;
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 999px;
  background: #22d3ee;
  color: #020617;
  font-weight: 500;
}

.project-links a:nth-child(2) {
  background: transparent;
  border: 1px solid #22d3ee;
  color: #e5e7eb;
}

/* =============== BLOG FLIP CARDS =============== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 10px;
}

.blog-card {
  perspective: 1000px;
}

.blog-inner {
  position: relative;
  width: 100%;
  height: 160px;
  transform-style: preserve-3d;
  transition: transform 0.4s ease;
}

.blog-card:hover .blog-inner {
  transform: rotateY(180deg);
}

.blog-front,
.blog-back {
  position: absolute;
  inset: 0;
  border-radius: 16px;
  padding: 14px;
  backface-visibility: hidden;
  background: rgba(15,23,42,0.9);
  border: 1px solid rgba(148,163,184,0.7);
}

.blog-front h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.blog-front p {
  font-size: 13px;
  color: #cbd5f5;
}

.blog-back {
  transform: rotateY(180deg);
  font-size: 13px;
  color: #e5e7eb;
  line-height: 1.5;
}

/* =============== TIMELINE =============== */
.timeline {
  margin-top: 10px;
  border-left: 2px solid rgba(148, 163, 184, 0.8);
  padding-left: 18px;
  text-align: left;
}

.timeline-item {
  margin-bottom: 12px;
  position: relative;
  font-size: 14px;
  color: #e5e7eb;
}

.timeline-item span {
  font-weight: 600;
  color: #22d3ee;
}

.timeline-item::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #22d3ee;
  position: absolute;
  left: -6px;
  top: 4px;
}

/* =============== ACHIEVEMENTS =============== */
.achievements-list {
  list-style: none;
  margin-top: 6px;
  text-align: left;
  display: inline-block;
  color: #e5e7eb;
  font-size: 14px;
  line-height: 1.8;
}

/* =============== CONTACT =============== */
.contact-grid {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.contact-grid a {
  text-decoration: none;
  border-radius: 999px;
  padding: 10px 12px;
  border: 1px solid rgba(148,163,184,0.7);
  color: #e5e7eb;
  font-size: 14px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  transition: 0.2s;
}

.contact-grid a:hover {
  background: linear-gradient(90deg, #22d3ee, #6366f1);
  color: #020617;
}

/* =============== FOOTER =============== */
footer {
  padding: 20px 10px 26px;
  text-align: center;
  font-size: 13px;
  color: #9ca3af;
}

/* =============== RESUME MODAL =============== */
.modal {
  display: none;
  position: fixed;
  z-index: 100;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.9);
}

.modal-content {
  position: relative;
  margin: 40px auto;
  max-width: 900px;
  height: 80vh;
  background: #020617;
  border-radius: 14px;
  padding: 10px;
  animation: modalIn 0.4s ease;
}

@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.close {
  position: absolute;
  right: 16px;
  top: 8px;
  font-size: 28px;
  color: #e5e7eb;
  cursor: pointer;
}

.resume-frame {
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 10px;
}

/* =============== WAVES =============== */
.wave {
  position: relative;
  width: 100%;
  overflow: hidden;
  line-height: 0;
}

.wave svg {
  display: block;
  width: 100%;
  height: 70px;
}

/* Gradient sapphire wave (between major sections) */
.wave-gradient svg path {
  filter: drop-shadow(0 -6px 18px rgba(56, 189, 248, 0.6));
}

/* Glass wave (subtle divider) */
.wave-glass svg path {
  opacity: 0.9;
}

/* =============== SCROLL REVEAL (BLUR + SLIDE) =============== */
/* Blur only on cards & timeline, not whole sections */
.project-card,
.skill-item,
.blog-card,
.timeline-item {
  opacity: 0;
  transform: translateY(16px);
  filter: blur(4px);
}

/* Sections without blur */
.section {
  opacity: 0;
  transform: translateY(16px);
  filter: none;
}

.achievements-list li,
.contact-grid a {
  opacity: 0;
  transform: translateY(16px);
  filter: none;
}

/* Reveal transition */
.reveal {
  opacity: 1 !important;
  transform: translateY(0);
  filter: none;
  transition: 0.6s ease;
}

/* =============== LIGHT MODE =============== */
body.light-mode {
  background: #f3f4f6;
  color: #020617;
}

body.light-mode .top-nav {
  background: rgba(249, 250, 251, 0.9);
  border-bottom-color: rgba(148, 163, 184, 0.5);
}

body.light-mode .glass-card {
  background: #ffffff;
  border-color: rgba(148, 163, 184, 0.6);
  box-shadow: 0 10px 30px rgba(148, 163, 184, 0.4);
}

body.light-mode .project-card,
body.light-mode .blog-front,
body.light-mode .blog-back {
  background: #ffffff;
  border-color: rgba(148, 163, 184, 0.7);
}

body.light-mode .timeline {
  border-left-color: rgba(55, 65, 81, 0.8);
}

body.light-mode .timeline-item::before {
  background: #6366f1;
}

body.light-mode footer {
  background: rgba(249, 250, 251, 0.8);
}

/* =============== RESPONSIVE =============== */
@media (max-width: 768px) {
  .top-nav {
    padding-inline: 16px;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .nav-links {
    flex-wrap: wrap;
    gap: 10px;
  }
  .hero h1 {
    font-size: 24px;
  }
  .section {
    padding-inline: 16px;
  }
}