/* RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #0f172a, #020617);
  color: #e5e7eb;
  line-height: 1.6;
}

/* LIGHT THEME OVERRIDE */
body.light {
  background: #f9fafb;
  color: #0f172a;
}

/* TOP NAV */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 64px;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.3);
}

body.light .top-nav {
  background: rgba(249, 250, 251, 0.95);
  border-bottom-color: #e5e7eb;
}

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

.logo span {
  color: #38bdf8;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.nav-link {
  text-decoration: none;
  font-size: 14px;
  color: #e5e7eb;
  position: relative;
  padding-bottom: 2px;
}

body.light .nav-link {
  color: #111827;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0;
  height: 2px;
  background: #38bdf8;
  transition: width 0.2s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.icon-btn {
  border-radius: 999px;
  border: 1px solid #64748b;
  background: transparent;
  color: #e5e7eb;
  font-size: 14px;
  padding: 6px 10px;
  cursor: pointer;
}

body.light .icon-btn {
  color: #111827;
  border-color: #cbd5e1;
}

/* GLOBAL SECTION STYLES */
.section {
  padding: 56px 64px;
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  font-size: 26px;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 18px;
  margin-bottom: 10px;
}

.section-text {
  max-width: 800px;
  color: #cbd5e1;
  font-size: 15px;
  margin-bottom: 8px;
}

body.light .section-text {
  color: #111827;
}

/* HERO */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
  padding-top: 72px;
}

.hero-tag {
  font-size: 13px;
  color: #a5b4fc;
  margin-bottom: 8px;
}

.hero h1 {
  font-size: 32px;
  margin-bottom: 6px;
}

.accent {
  color: #38bdf8;
}

.hero h2 {
  font-size: 20px;
  margin-bottom: 14px;
  color: #e5e7eb;
}

#typewriterRole {
  color: #f97316;
}

.hero-text {
  max-width: 600px;
}

/* HERO BUTTONS */
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0;
}

.btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: #38bdf8;
  color: #020617;
  font-weight: 600;
}

.btn-primary:hover {
  background: #0ea5e9;
}

.btn-outline {
  border: 1px solid #64748b;
  color: #e5e7eb;
  background: transparent;
}

body.light .btn-outline {
  color: #1e293b;
  border-color: #94a3b8;
}

.btn-outline:hover {
  border-color: #38bdf8;
}

/* META */
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: #94a3b8;
}

.hero-meta a {
  color: inherit;
}

/* ==============================
   FIXED CURRENT FOCUS CARD
   ==============================*/

.hero-right .hero-card {
  border-radius: 16px;
  border: 1px solid #1f2937;
  background: #0b1120;
  padding: 18px;
  font-size: 14px;
  color: #e5e7eb;
}

.hero-card h3 {
  margin-bottom: 8px;
  color: #38bdf8;
}

.hero-card li {
  margin-bottom: 6px;
  font-size: 14px;
}

/* LIGHT MODE FIX FOR HERO CARD */
body.light .hero-right .hero-card {
  background: #ffffff;
  border-color: #d1d5db;
  color: #1e293b;
}

body.light .hero-card h3 {
  color: #0f172a;
}

/* SKILLS */
.skills-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 32px;
  align-items: flex-start;
}

.skill-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge {
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.15);
  border: 1px solid rgba(148, 163, 184, 0.3);
}

/* SKILL TABLE */
.skills-table {
  border-collapse: collapse;
  width: 100%;
  font-size: 13px;
}

.skills-table th,
.skills-table td {
  border: 1px solid #1f2937;
  padding: 6px 8px;
}

.skills-table th {
  background: rgba(15, 23, 42, 0.9);
  color: #ffffff;
}

body.light .skills-table th {
  background: #e5e7eb;
  color: #111827;
}

/* PROJECTS */
.project-filters {
  margin: 12px 0 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-btn {
  border-radius: 999px;
  border: 1px solid #475569;
  background: transparent;
  color: #e5e7eb;
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
}

.filter-btn.active {
  background: #38bdf8;
  color: #020617;
  border-color: #38bdf8;
}

body.light .filter-btn {
  color: #1e293b;
  border-color: #94a3b8;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 8px;
}

.project-card {
  border-radius: 16px;
  border: 1px solid #1f2937;
  background: #0b1120;
  padding: 16px;
  font-size: 14px;
}

body.light .project-card {
  background: #ffffff;
  border-color: #d1d5db;
}

.project-tag {
  font-size: 11px;
  color: #a5b4fc;
  margin-bottom: 4px;
}

.project-links a {
  font-size: 13px;
  margin-right: 10px;
  color: #38bdf8;
  text-decoration: none;
}

/* EXPERIENCE */
.exp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.exp-card {
  border-radius: 14px;
  border: 1px solid #1f2937;
  background: rgba(15, 23, 42, 0.7);
  padding: 16px;
  font-size: 14px;
}

body.light .exp-card {
  background: #ffffff;
  border-color: #d1d5db;
}

/* CONTACT */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 24px;
}

.contact-form {
  font-size: 14px;
}

.contact-form label {
  display: block;
  margin-bottom: 4px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 8px 10px;
  margin-bottom: 10px;
  border-radius: 10px;
  border: 1px solid #1f2937;
  background: #020617;
  color: #e5e7eb;
}

body.light .contact-form input,
body.light .contact-form textarea {
  background: #ffffff;
  color: #111827;
  border-color: #d1d5db;
}

.form-status {
  font-size: 13px;
  margin-top: 4px;
}

.contact-info {
  font-size: 14px;
  color: #cbd5e1;
}

body.light .contact-info {
  color: #111827;
}

/* SCROLL TO TOP */
#scrollTopBtn {
  position: fixed;
  bottom: 16px;
  right: 16px;
  border-radius: 999px;
  border: none;
  background: #38bdf8;
  color: #020617;
  padding: 8px 10px;
  cursor: pointer;
  display: none;
}

/* FOOTER */
.footer {
  text-align: center;
  padding: 16px;
  font-size: 13px;
  color: #94a3b8;
}

/* REVEAL */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

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

/* RESPONSIVE */
@media (max-width: 900px) {
  .top-nav {
    padding: 10px 16px;
    flex-wrap: wrap;
    gap: 8px;
  }

  .section {
    padding: 40px 16px;
  }

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

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