:root {
  --bg: #0a0a0f;
  --bg2: #10101a;
  --card: #13131f;
  --border: rgba(255, 255, 255, 0.07);
  --accent: #5b6ef5;
  --accent2: #8b5cf6;
  --accent3: #06d6a0;
  --text: #e8e8f0;
  --muted: #7878a0;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  overflow-x: hidden;
}

/* ── CURSOR GLOW ── */
#cursor-glow {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(91, 110, 245, 0.08) 0%, transparent 70%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: left 0.6s ease, top 0.6s ease;
  z-index: 0;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  padding: 1.2rem 0;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}

nav.scrolled {
  padding: 0.8rem 0;
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.03em;
}

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

.nav-link-custom {
  color: var(--muted) !important;
  font-size: 0.88rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem !important;
  transition: color 0.2s;
  position: relative;
}

.nav-link-custom::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  right: 50%;
  height: 1px;
  background: var(--accent);
  transition: all 0.3s;
}

.nav-link-custom:hover {
  color: var(--text) !important;
}

.nav-link-custom:hover::after {
  left: 0.8rem;
  right: 0.8rem;
}

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 6rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(91, 110, 245, 0.1);
  border: 1px solid rgba(91, 110, 245, 0.3);
  border-radius: 100px;
  padding: 0.35rem 1rem;
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.8rem;
  animation: fadeUp 0.6s ease both;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent3);
  animation: pulse 2s infinite;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.04em;
  animation: fadeUp 0.6s 0.1s ease both;
}

.hero-title .line2 {
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.2);
  color: transparent;
}

.hero-title .accent-word {
  color: var(--accent);
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 520px;
  line-height: 1.75;
  margin: 1.8rem 0 2.5rem;
  animation: fadeUp 0.6s 0.2s ease both;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeUp 0.6s 0.3s ease both;
}

.btn-primary-custom {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.8rem 2rem;
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary-custom:hover {
  background: #7082ff;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(91, 110, 245, 0.4);
}

.btn-outline-custom {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.8rem 2rem;
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-outline-custom:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-download {
  border-color: rgba(6,214,160,0.4) !important;
  color: var(--accent3) !important;
}
.btn-download:hover {
  border-color: var(--accent3) !important;
  color: var(--accent3) !important;
  box-shadow: 0 8px 24px rgba(6,214,160,0.15);
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
  animation: fadeUp 0.6s 0.4s ease both;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
}

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

.stat-label {
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-code-block {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  position: relative;
  animation: fadeUp 0.6s 0.2s ease both;
  overflow: hidden;
}

.hero-code-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.code-dots {
  display: flex;
  gap: 6px;
  margin-bottom: 1.2rem;
}

.code-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.code-dots span:nth-child(1) {
  background: #ff5f57;
}

.code-dots span:nth-child(2) {
  background: #febc2e;
}

.code-dots span:nth-child(3) {
  background: #28c840;
}

.code-line {
  font-family: 'Courier New', monospace;
  font-size: 0.82rem;
  line-height: 2;
}

.c-purple {
  color: #c792ea;
}

.c-blue {
  color: #82aaff;
}

.c-green {
  color: var(--accent3);
}

.c-orange {
  color: #f78c6c;
}

.c-muted {
  color: #546e7a;
}

.typing-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--accent);
  animation: blink 1s infinite;
  vertical-align: text-bottom;
}

/* ── SECTION COMMON ── */
section {
  padding: 6rem 0;
  position: relative;
}

.section-label {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 0.6rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--muted);
  font-size: 1rem;
  max-width: 540px;
  line-height: 1.8;
}

/* ── ABOUT ── */
#about {
  background: var(--bg2);
}

.about-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem;
  height: 100%;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
}

.about-card:hover {
  border-color: rgba(91, 110, 245, 0.3);
  transform: translateY(-4px);
}

.about-card .icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(91, 110, 245, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--accent);
  margin-bottom: 1.2rem;
}

.about-card h5 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.6rem;
}

.about-card p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ── SKILLS ── */
.skill-group {
  margin-bottom: 2.5rem;
}

.skill-group-title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.skill-tag {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
  color: var(--text);
  transition: all 0.3s;
  cursor: default;
}

.skill-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(91, 110, 245, 0.08);
  transform: translateY(-2px);
}

.skill-tag.highlight {
  border-color: rgba(91, 110, 245, 0.4);
  color: var(--accent);
  background: rgba(91, 110, 245, 0.1);
}

.skills-visual {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem;
}

.skill-bar-item {
  margin-bottom: 1.5rem;
}

.skill-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  margin-bottom: 0.5rem;
}

.skill-bar-label span:last-child {
  color: var(--muted);
  font-size: 0.8rem;
}

.skill-bar-track {
  height: 4px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 2px;
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  width: 0;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-bar-fill.green {
  background: linear-gradient(90deg, var(--accent3), #00b4d8);
}

/* ── PROJECTS ── */
#projects {
  background: var(--bg2);
}

.project-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all 0.35s;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0);
  transition: transform 0.35s;
}

.project-card:hover {
  border-color: rgba(91, 110, 245, 0.25);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.project-card:hover::before {
  transform: scaleX(1);
}

.project-number {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.04);
  line-height: 1;
  margin-bottom: 0.5rem;
  letter-spacing: -0.05em;
}

.project-card h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 0.8rem;
  letter-spacing: -0.02em;
}

.project-card p {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.7;
  flex-grow: 1;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1.2rem 0;
}

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

.tech-pill {
  background: rgba(91, 110, 245, 0.1);
  border: 1px solid rgba(91, 110, 245, 0.2);
  color: #a0a8f8;
  font-size: 0.75rem;
  padding: 0.2rem 0.7rem;
  border-radius: 100px;
}

.tech-pill.green {
  background: rgba(6, 214, 160, 0.1);
  border-color: rgba(6, 214, 160, 0.2);
  color: var(--accent3);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  transition: gap 0.2s;
  margin-top: auto;
}

.project-link:hover {
  gap: 0.7rem;
  color: var(--accent);
}

.project-badge {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  background: rgba(6, 214, 160, 0.15);
  border: 1px solid rgba(6, 214, 160, 0.3);
  color: var(--accent3);
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  letter-spacing: 0.05em;
}

/* ── EXPERIENCE TIMELINE ── */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  padding-bottom: 3rem;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s ease;
}

.timeline-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.timeline-dot {
  position: absolute;
  left: -2.35rem;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  box-shadow: 0 0 0 4px rgba(91, 110, 245, 0.15);
}

.timeline-date {
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.timeline-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.2rem;
}

.timeline-company {
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 1rem;
}

.timeline-body {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.2rem 1.5rem;
}

.timeline-body li {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 0.3rem;
}
.timeline-body p{
  color: var(--text);
}

.timeline-body h6{
  color: var(--muted);
}

.timeline-body li::marker {
  color: var(--accent);
}

/* ── CERTIFICATIONS ── */
.cert-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.2rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 0.8rem;
  transition: border-color 0.3s, transform 0.3s;
}

.cert-item:hover {
  border-color: rgba(91, 110, 245, 0.3);
  transform: translateX(4px);
}

.cert-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(91, 110, 245, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1rem;
  flex-shrink: 0;
}

.cert-text h6 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.2rem;
}

.cert-text p {
  color: var(--muted);
  font-size: 0.8rem;
  margin: 0;
}

/* ── CONTACT ── */
#contact {
  background: var(--bg2);
}

.contact-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(91, 110, 245, 0.12) 0%, transparent 60%);
  pointer-events: none;
}

.contact-card h3 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  position: relative;
}

.contact-card p {
  color: var(--muted);
  max-width: 400px;
  margin: 0 auto 2rem;
  position: relative;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  position: relative;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.7rem 1.4rem;
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.88rem;
  transition: all 0.3s;
}

.social-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
}

footer span {
  color: var(--accent);
}

/* ── SCROLL TO TOP ── */
#scrollTop {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--accent);
  border: none;
  border-radius: 10px;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s;
  z-index: 99;
}

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

#scrollTop:hover {
  background: #7082ff;
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.3;
  }
}

@keyframes blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

/* ── MOBILE NAV ── */
.navbar-toggler {
  border-color: var(--border) !important;
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(232,232,240,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

.navbar-collapse {
  background: var(--bg);
  border-top: 1px solid var(--border);
  margin-top: 0.5rem;
  padding: 0.5rem 0;
  border-radius: 8px;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .hero-stats {
    gap: 1.5rem;
  }

  .hero-code-block {
    margin-top: 2rem;
  }
}