/* ============================================================
   RADITYO PORTFOLIO — LIGHT BLUE TECH THEME
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;1,400&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── VARIABLES ── */
:root {
  --bg:           #f0f7ff;
  --bg2:          #e4f0fd;
  --bg3:          #d6e8fb;
  --card-bg:      #ffffff;
  --border:       #bcd8f5;
  --accent:       #2a7dd4;
  --accent-dim:   #1a6abf;
  --accent-light: #e8f3fd;
  --accent-glow:  rgba(42, 125, 212, 0.12);
  --cyan:         #0ea5e9;
  --text:         #1a2d42;
  --text-dim:     #4a6e8a;
  --text-muted:   #90afc5;
  --shadow:       rgba(42, 125, 212, 0.08);
  --shadow-md:    rgba(42, 125, 212, 0.16);
  --font-mono:    'JetBrains Mono', monospace;
  --font-head:    'Plus Jakarta Sans', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --radius:       12px;
  --radius-sm:    8px;
}

body.dark {
  --bg:           #0d1f35;
  --bg2:          #112540;
  --bg3:          #162d4c;
  --card-bg:      #0f2238;
  --border:       #1e4068;
  --accent:       #5baaf0;
  --accent-dim:   #4a9add;
  --accent-light: #112540;
  --accent-glow:  rgba(91, 170, 240, 0.15);
  --cyan:         #38bdf8;
  --text:         #d0e8f8;
  --text-dim:     #7aaed0;
  --text-muted:   #3a6080;
  --shadow:       rgba(0, 0, 0, 0.3);
  --shadow-md:    rgba(0, 0, 0, 0.5);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background 0.4s ease, color 0.4s ease;
  background-image:
    linear-gradient(rgba(42,125,212,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42,125,212,0.05) 1px, transparent 1px);
  background-size: 44px 44px;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--accent-dim); border-radius: 3px; }

/* ── NAVBAR ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 36px;
  background: rgba(240, 247, 255, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: background 0.4s;
}

body.dark .navbar { background: rgba(13, 31, 53, 0.92); }

.nav-logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  color: var(--text);
  letter-spacing: -0.02em;
}

.nav-logo .dot { color: var(--accent); }

.nav-links { display: flex; gap: 28px; }

.nav-links a {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--accent); }

.toggle-btn {
  background: var(--card-bg);
  border: 1px solid var(--border);
  font-size: 16px;
  width: 36px; height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px var(--shadow);
}

.toggle-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.1);
}

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 100px 64px 60px;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-content { flex: 1; max-width: 540px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-light);
  border: 1px solid var(--border);
  color: var(--accent);
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 99px;
  margin-bottom: 24px;
  animation: fadeUp 0.5s ease both;
}

.badge-dot {
  width: 8px; height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: blink 2s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
  animation: fadeUp 0.6s ease 0.1s both;
}

.hero-title .highlight {
  color: var(--accent);
  position: relative;
}

.hero-title .highlight::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--cyan));
  border-radius: 2px;
  opacity: 0.4;
}

.hero-desc {
  font-size: 15.5px;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 32px;
  animation: fadeUp 0.6s ease 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  animation: fadeUp 0.6s ease 0.3s both;
}

.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #ffffff;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  padding: 12px 26px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(42,125,212,0.3);
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background: var(--accent-dim);
  box-shadow: 0 6px 24px rgba(42,125,212,0.45);
  transform: translateY(-2px);
}

.btn-secondary {
  display: inline-block;
  border: 1.5px solid var(--accent);
  color: var(--accent);
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  padding: 12px 26px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: var(--accent-glow);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  animation: fadeUp 0.6s ease 0.4s both;
}

.stat { text-align: center; }

.stat-num {
  display: block;
  font-family: var(--font-head);
  font-size: 26px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  margin-top: 4px;
}

.stat-divider {
  width: 1px; height: 36px;
  background: var(--border);
}

/* ── HERO VISUAL ── */
.hero-visual {
  position: relative;
  width: 300px; height: 300px;
  flex-shrink: 0;
  animation: fadeUp 0.7s ease 0.2s both;
}

.avatar-wrap {
  position: relative;
  width: 200px; height: 200px;
  margin: 50px auto 0;
}

.hero-avatar {
  width: 180px; height: 180px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent);
  box-shadow: 0 0 0 8px var(--accent-glow), 0 8px 32px var(--shadow-md);
  display: block;
  margin: 10px auto;
  position: relative;
  z-index: 2;
}

.avatar-ring {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 210px; height: 210px;
  border-radius: 50%;
  border: 1.5px dashed var(--border);
  animation: spin 20s linear infinite;
}

.ring2 {
  width: 240px; height: 240px;
  border-color: transparent;
  border-top-color: var(--accent);
  border-width: 2px;
  opacity: 0.3;
  animation: spin 8s linear infinite reverse;
}

@keyframes spin { to { transform: translate(-50%, -50%) rotate(360deg); } }

.float-badge {
  position: absolute;
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 6px 12px;
  border-radius: 99px;
  box-shadow: 0 4px 12px var(--shadow);
  white-space: nowrap;
  animation: float 4s ease-in-out infinite;
}

.b1 { top: 10px; left: -10px; animation-delay: 0s; }
.b2 { top: 60px; right: -20px; animation-delay: 0.8s; }
.b3 { bottom: 70px; left: -20px; animation-delay: 1.6s; }
.b4 { bottom: 20px; right: -10px; animation-delay: 2.4s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

/* ── CONTAINER ── */
.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 20px 24px 80px;
}

/* ── SECTIONS ── */
section {
  margin-bottom: 64px;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

section h2 {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

section h2::before {
  content: '//';
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

section h2::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border), transparent);
}

/* ── ABOUT ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: start;
}

.about-text p { color: var(--text-dim); font-size: 14.5px; line-height: 1.8; }
.about-text strong { color: var(--accent); font-weight: 600; }

.about-info {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 16px var(--shadow);
}

.info-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 13.5px;
  transition: background 0.2s;
}

.info-row:last-child { border-bottom: none; }
.info-row:hover { background: var(--accent-light); }

.info-label {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: nowrap;
}

.info-row span:last-child {
  color: var(--text);
  font-weight: 500;
  text-align: right;
  font-size: 13px;
}

/* ── SKILLS ── */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.skill-group-title {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 14px;
}

.list { list-style: none; display: flex; flex-direction: column; gap: 8px; }

.list li {
  font-size: 14px;
  color: var(--text);
  padding: 10px 14px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  transition: all 0.22s ease;
  cursor: default;
}

.list li::before { content: '▶ '; color: var(--accent); font-size: 9px; }

.list li:hover {
  background: var(--accent-light);
  transform: translateX(5px);
  box-shadow: -3px 0 0 var(--accent);
  border-color: var(--accent);
}

/* ── PROJECT CARDS ── */
.project-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.project-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 20px;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: 0 2px 12px var(--shadow);
  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(--cyan));
  opacity: 0;
  transition: opacity 0.3s;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 8px 28px var(--shadow-md);
}

.project-card:hover::before { opacity: 1; }

.project-card.featured {
  border-color: var(--accent);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.project-card.featured::before { opacity: 1; }

.project-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.project-icon { font-size: 28px; }

.project-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--accent-light);
  color: var(--accent);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 99px;
}

.project-card h3 {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.project-card > p {
  font-size: 13.5px;
  color: var(--text-dim);
  line-height: 1.65;
  flex: 1;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.project-tech span {
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--bg2);
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 4px;
}

.project-link {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  margin-top: 4px;
  display: inline-block;
  transition: letter-spacing 0.2s;
}

.project-link:hover { letter-spacing: 0.03em; }

/* ── SLIDER ── */
.ig-slider {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card-bg);
  box-shadow: 0 2px 16px var(--shadow);
}

.ig-slides {
  display: flex;
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.ig-slides img {
  min-width: 100%;
  max-height: 340px;
  object-fit: cover;
  display: block;
}

.dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 14px 0;
  background: var(--bg2);
}

.dots span {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-block;
}

.dots span.active {
  background: var(--accent);
  width: 22px;
  border-radius: 4px;
  box-shadow: 0 0 6px var(--accent);
}

/* ── ORG CARDS ── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 18px 22px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  text-align: center;
  box-shadow: 0 2px 12px var(--shadow);
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--cyan));
  opacity: 0;
  transition: opacity 0.3s;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 8px 28px var(--shadow-md);
}

.card:hover::before { opacity: 1; }

.card img {
  width: 80px; height: 80px;
  object-fit: contain;
  margin-bottom: 14px;
  transition: transform 0.3s ease;
  filter: drop-shadow(0 2px 6px var(--shadow));
}

.card:hover img { transform: scale(1.08); }

.card p { font-size: 14px; color: var(--text-dim); margin-bottom: 4px; }

.card p strong {
  display: block;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

/* ── CAREER ── */
.career-box {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 24px 22px;
  box-shadow: 0 2px 16px var(--shadow);
}

.career-icon { font-size: 36px; flex-shrink: 0; }

.career-title {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px !important;
}

.career-box p:last-child { color: var(--text-dim); font-size: 14.5px; }

/* ── SOCIAL LINKS ── */
.social-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.social-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 2px 10px var(--shadow);
}

.social-card:hover {
  transform: translateX(6px);
  border-color: var(--accent);
  box-shadow: 0 4px 20px var(--shadow-md);
}

.social-icon {
  font-size: 22px;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-light);
  border-radius: 10px;
  flex-shrink: 0;
  color: var(--accent);
}

.social-name {
  display: block;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}

.social-handle {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.contact-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 24px;
}

.contact-divider::before,
.contact-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── FORM ── */
#contact form { display: flex; flex-direction: column; gap: 14px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

#contact input,
#contact textarea {
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 12px 16px;
  outline: none;
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
  width: 100%;
}

#contact input::placeholder,
#contact textarea::placeholder { color: var(--text-muted); }

#contact input:focus,
#contact textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

#contact textarea { resize: vertical; min-height: 120px; }

#contact button[type="submit"] {
  background: var(--accent);
  border: none;
  color: #ffffff;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  padding: 13px 32px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.3s ease;
  align-self: flex-start;
  box-shadow: 0 4px 14px rgba(42,125,212,0.3);
}

#contact button[type="submit"]:hover {
  background: var(--accent-dim);
  box-shadow: 0 6px 22px rgba(42,125,212,0.45);
  transform: translateY(-2px);
}

/* ── FOOTER ── */
.footer {
  text-align: center;
  padding: 32px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg2);
  color: var(--text-muted);
  font-size: 13px;
}

.footer-sub {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  opacity: 0.7;
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    padding: 90px 24px 40px;
    text-align: center;
  }

  .hero-visual { width: 240px; height: 240px; }
  .avatar-wrap { width: 160px; height: 160px; margin-top: 20px; }
  .hero-avatar { width: 140px; height: 140px; }
  .avatar-ring { width: 165px; height: 165px; }
  .ring2 { width: 190px; height: 190px; }
  .b1 { top: 0; left: 5px; }
  .b2 { top: 30px; right: 0; }
  .b3 { bottom: 30px; left: 0; }
  .b4 { bottom: 5px; right: 5px; }

  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .project-cards { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .container { padding: 16px 16px 60px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 26px; }
  .cards { grid-template-columns: 1fr; }
  .navbar { padding: 12px 20px; }
}


.homelab{max-width:1100px;margin:80px auto;padding:40px 24px}
.section-title{text-align:center;margin-bottom:32px}
.homelab-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.lab-card{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:20px;box-shadow:0 8px 20px var(--shadow);transition:.3s}
.lab-card:hover{transform:translateY(-6px);box-shadow:0 12px 30px var(--shadow-md)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:16px;margin-top:36px}
.stats div{text-align:center;background:var(--card-bg);padding:18px;border:1px solid var(--border);border-radius:12px}
.stats strong{display:block;font-size:28px;color:var(--accent)}