/* ============ TOKENS ============ */
:root {
  --bg-base: #070A08;
  --bg-surface: #0B130E;
  --bg-surface-raised: #101C14;
  --accent: #2EE6A6;
  --accent-bright: #5BFFD0;
  --accent-soft: rgba(46, 230, 166, 0.12);
  --text-primary: #F3FBF6;
  --text-muted: #8FA89B;
  --border-trace: #1B2A20;
  --radius: 14px;
  --font-display: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --maxw: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  margin: 0;
  line-height: 1.15;
}

p {
  margin: 0;
}

.accent-text {
  color: var(--accent);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #06200a;
  padding: 8px 14px;
  z-index: 200;
}

.skip-link:focus {
  left: 8px;
  top: 8px;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ============ CHARGE BAR ============ */
.charge-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-bright));
  z-index: 999;
  transition: width 0.1s linear;
}

/* ============ NAV ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 10, 8, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-trace);
}

.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-badge {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--accent);
  color: #06200a;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
}

.brand-name .dot {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 26px;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  position: relative;
  padding: 4px 0;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link.active {
  color: var(--accent);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  display: block;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--accent);
  color: #06200a;
  box-shadow: 0 0 22px rgba(46, 230, 166, 0.35);
}

.btn-primary:hover {
  background: var(--accent-bright);
}

.btn-outline {
  border-color: var(--border-trace);
  color: var(--text-primary);
  border-radius: 10px;
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-ghost {
  color: var(--text-muted);
  border-radius: 10px;
}

.btn-ghost:hover {
  color: var(--accent);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.78rem;
}

.btn-block {
  width: 100%;
}

/* ============ HERO ============ */
.hero {
  position: relative;
  overflow: hidden;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 70px 24px 90px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  min-height: 85vh;
}

.circuit-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.4;
  pointer-events: none;
}

.circuit-bg svg {
  width: 100%;
  height: 100%;
}

.trace {
  fill: none;
  stroke: var(--border-trace);
  stroke-width: 1.5;
}

.node {
  fill: var(--border-trace);
}

.pulse {
  fill: var(--accent);
  filter: drop-shadow(0 0 4px var(--accent));
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 600px;
}

.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  border: 1px solid var(--border-trace);
  background: var(--bg-surface);
  padding: 7px 14px;
  border-radius: 999px;
  margin-bottom: 24px;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulseDot 1.8s ease-in-out infinite;
}

@keyframes pulseDot {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.3;
  }
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.eyebrow-mono {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-align: center;
}

.hero-title {
  font-size: clamp(2.6rem, 5.6vw, 4rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 18px;
}

.hero-role {
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--text-primary);
  margin-bottom: 10px;
  min-height: 1.6em;
}

.hero-role .cursor {
  color: var(--accent);
  animation: blink 1s steps(1) infinite;
  margin-left: 2px;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.hero-sub {
  color: var(--text-muted);
  font-size: 0.98rem;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-stats span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-stats svg {
  color: var(--accent);
}

/* ============ HERO VISUAL (orb) ============ */
.hero-visual {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  width: 340px;
  height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orbit-ring {
  position: absolute;
  border: 1px dashed var(--border-trace);
  border-radius: 50%;
}

.orbit-ring-1 {
  width: 100%;
  height: 100%;
}

.orbit-ring-2 {
  width: 78%;
  height: 78%;
}

.photo-orb {
  position: relative;
  z-index: 2;
  width: 60%;
  height: 60%;
  border-radius: 50%;
  overflow: hidden;
  background: radial-gradient(circle at 35% 30%, var(--accent-soft), var(--bg-surface) 70%);
  border: 2px solid var(--accent);
  box-shadow: 0 0 50px rgba(46, 230, 166, 0.3), inset 0 0 30px rgba(46, 230, 166, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

.orb-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.photo-placeholder-inner {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-muted);
  text-align: center;
  padding: 16px;
}

.photo-placeholder-inner span {
  font-size: 0.82rem;
}

.photo-placeholder-inner code {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent);
}

.float-badge {
  position: absolute;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border-trace);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  animation: floatBadge 4s ease-in-out infinite;
}

.fb-1 {
  top: 6%;
  left: 2%;
  animation-delay: 0s;
}

.fb-2 {
  top: 18%;
  right: 0%;
  animation-delay: 0.6s;
}

.fb-3 {
  bottom: 8%;
  right: 6%;
  animation-delay: 1.2s;
}

.fb-4 {
  bottom: 16%;
  left: 0%;
  animation-delay: 1.8s;
}

@keyframes floatBadge {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

.scroll-hint {
  position: absolute;
  bottom: -70px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.mouse {
  width: 18px;
  height: 28px;
  border: 1.5px solid var(--border-trace);
  border-radius: 10px;
  position: relative;
}

.mouse::after {
  content: '';
  position: absolute;
  top: 5px;
  left: 50%;
  width: 2px;
  height: 6px;
  background: var(--accent);
  border-radius: 2px;
  transform: translateX(-50%);
  animation: scrollDot 1.6s ease-in-out infinite;
}

@keyframes scrollDot {
  0% {
    opacity: 1;
    top: 5px;
  }

  100% {
    opacity: 0;
    top: 14px;
  }
}

/* ============ SECTIONS ============ */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 100px 24px;
}

.section-alt {
  background: linear-gradient(180deg, transparent, rgba(46, 230, 166, 0.025), transparent);
}

.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}

.section-head-center {
  max-width: 100%;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-head h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.3rem);
  margin-top: 10px;
}

.section-desc {
  color: var(--text-muted);
  margin-top: 12px;
}

.num-badge {
  display: inline-flex;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  border: 1px solid var(--border-trace);
  padding: 4px 11px;
  border-radius: 999px;
}

/* ============ ABOUT ============ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.about-text {
  color: var(--text-muted);
  font-size: 1.02rem;
  line-height: 1.8;
}

.about-text strong {
  color: var(--accent);
}

.stat-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-trace);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.stat-card svg {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.stat-value {
  font-size: 0.88rem;
  color: var(--text-primary);
  margin-top: 3px;
  line-height: 1.4;
}

/* ============ EDUCATION ============ */
.edu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.edu-card {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border-trace);
  border-radius: var(--radius);
  padding: 24px;
}

.edu-card::before,
.edu-card::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid var(--accent);
  opacity: 0.6;
}

.edu-card::before {
  top: -1px;
  left: -1px;
  border-right: none;
  border-bottom: none;
}

.edu-card::after {
  bottom: -1px;
  right: -1px;
  border-left: none;
  border-top: none;
}

.edu-range {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.edu-card h3 {
  font-size: 1.02rem;
  margin-bottom: 8px;
}

.edu-school {
  color: var(--text-muted);
  font-size: 0.86rem;
  margin-bottom: 14px;
}

.edu-score {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 600;
}

/* ============ SKILLS ============ */
.skill-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.skill-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-trace);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

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

.skill-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.skill-card h3 {
  font-size: 1.05rem;
  margin-bottom: 18px;
}

.skill-row {
  margin-bottom: 14px;
}

.skill-row span {
  font-size: 0.84rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 6px;
}

.bar {
  height: 5px;
  background: var(--bg-surface-raised);
  border-radius: 4px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-bright));
  border-radius: 4px;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-primary);
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-trace);
  padding: 7px 12px;
  border-radius: 999px;
}

/* ============ CARDS (projects) ============ */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-trace);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.card-img-placeholder {
  height: 170px;
  background: var(--bg-surface-raised);
  border-bottom: 1px dashed var(--border-trace);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.card-body {
  padding: 22px;
  flex: 1;
}

.card-body h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.card-body p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

.tag-row {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.tag-row span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  border: 1px solid var(--border-trace);
  padding: 4px 9px;
  border-radius: 6px;
}

.card-actions {
  display: flex;
  gap: 10px;
  padding: 0 22px 22px;
}

/* ============ CERTIFICATIONS ============ */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 18px;
}

.cert-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-trace);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.cert-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cert-card h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.cert-org {
  color: var(--text-primary);
  font-size: 0.88rem;
}

.cert-date {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 0.78rem;
  margin-top: 4px;
}

.cert-card .btn {
  margin-left: auto;
  flex-shrink: 0;
}

.card-img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  display: block;
}

/* ============ ACTIVITIES ============ */
.activities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.activity-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-trace);
  border-radius: var(--radius);
  padding: 24px;
}

.activity-card h3 {
  font-size: 1rem;
  margin-bottom: 16px;
}

/* ============ RESUME ============ */
.resume-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.resume-frame {
  width: 100%;
  max-width: 700px;
  height: 560px;
  border: 1px solid var(--border-trace);
  border-radius: var(--radius);
  background: var(--bg-surface);
}

/* ============ CONTACT ============ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 40px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.info-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border-trace);
  border-radius: 10px;
  padding: 16px 18px;
  transition: border-color 0.2s ease;
}

.info-row:hover {
  border-color: var(--accent);
}

.info-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  display: block;
}

.info-value {
  font-size: 0.9rem;
  color: var(--text-primary);
  display: block;
  margin-top: 2px;
}

.info-row-static {
  cursor: default;
}

.social-row {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-trace);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.social-icon:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.contact-form {
  background: var(--bg-surface);
  border: 1px solid var(--border-trace);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contact-form label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 14px;
}

.contact-form input,
.contact-form textarea {
  background: var(--bg-surface-raised);
  border: 1px solid var(--border-trace);
  border-radius: 8px;
  padding: 11px 13px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.92rem;
  margin-top: 6px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
  outline: none;
}

.contact-form button {
  margin-top: 22px;
}

.form-hint {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.76rem;
  margin-top: 12px;
}

/* ============ FOOTER ============ */
.footer {
  border-top: 1px solid var(--border-trace);
  padding: 28px 24px;
}

.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.footer-inner a {
  color: var(--accent);
}

.footer-socials {
  display: flex;
  gap: 10px;
}

.back-to-top {
  background: var(--bg-surface);
  border: 1px solid var(--border-trace);
  color: var(--text-primary);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s ease;
}

.back-to-top:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ============ REVEAL ON SCROLL ============ */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ============ RESPONSIVE ============ */
@media (max-width:1000px) {
  .skill-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width:920px) {
  .hero {
    flex-direction: column;
    text-align: left;
    padding-top: 120px;
    gap: 80px;
  }

  .hero-visual {
    width: 280px;
    height: 280px;
  }

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

@media (max-width:760px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-base);
    flex-direction: column;
    padding: 18px 24px;
    gap: 18px;
    border-bottom: 1px solid var(--border-trace);
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

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

  .stat-cards {
    grid-template-columns: 1fr;
  }

  .cert-card {
    flex-wrap: wrap;
  }

  .cert-card .btn {
    margin-left: 0;
  }

  .section {
    padding: 70px 20px;
  }

  .hero-visual {
    width: 240px;
    height: 240px;
  }
}