:root {
  --bg-canvas: #090b11;        /* Warna latar belakang utama */
  --bg-surface: #11141e;       /* Warna latar kartu & header */
  --bg-elevated: #161a27;      /* Warna elemen pendukung (hover/input) */
  --border-card: rgba(255, 255, 255, 0.09); /* Garis batas kartu */
  --border-hover: rgba(255, 255, 255, 0.18);

  --text-primary: #f8fafc;     /* Teks utama (putih cerah) */
  --text-secondary: #94a3b8;   /* Teks sekunder (abu-abu terang) */
  --text-muted: #64748b;       /* Teks redup (keterangan waktu/label) */

  --accent: #3b82f6;           /* Warna aksen utama (Sapphire Blue) */
  --accent-hover: #2563eb;
  --accent-surface: rgba(59, 130, 246, 0.08);
  --accent-border: rgba(59, 130, 246, 0.22);

  --status: #10b981;           /* Warna hijau status aktif */
  --status-surface: rgba(16, 185, 129, 0.08);
  --status-border: rgba(16, 185, 129, 0.22);

  --font-main: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --header-h: 68px;
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-full: 9999px;
  --trans: 0.25s ease;
}

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

html {
  font-family: var(--font-main);
  scroll-behavior: smooth;
  font-size: 16px;
  background: var(--bg-canvas);
  color: var(--text-primary);
}

body {
  min-height: 100vh;
  line-height: 1.65;
  background: var(--bg-canvas);
  color: var(--text-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
}

body.no-scroll {
  overflow: hidden !important;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--trans);
}

button, input, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

button {
  cursor: pointer;
}

ul {
  list-style: none;
}

/* Garis progress scroll di bagian paling atas */
.scroll-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--accent);
  z-index: 1001;
  transition: width 0.1s ease-out;
}

/* Efek cahaya ambient latar belakang */
.ambient-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-glow {
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 500px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.06), transparent 70%);
  filter: blur(80px);
}

/* --------------------------------------------------------------------------
   3. LAYOUT CONTAINER & JUDUL SECTION
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

.section {
  padding: 5.5rem 0;
}

.sec-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.5rem auto;
}

.sec-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-surface);
  border: 1px solid var(--accent-border);
  padding: 0.28rem 0.85rem;
  border-radius: var(--r-full);
  margin-bottom: 0.85rem;
}

.sec-title {
  font-size: clamp(1.85rem, 3.2vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 0.65rem;
  line-height: 1.25;
}

.sec-desc {
  font-size: 0.98rem;
  color: var(--text-secondary);
}

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

/* Kartu Standar */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--r-lg);
  box-shadow: 0 4px 16px -2px rgba(0, 0, 0, 0.15);
  transition: var(--trans);
}

.card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   4. TOMBOL (BUTTONS)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.35rem;
  border-radius: var(--r-md);
  font-size: 0.885rem;
  font-weight: 600;
  transition: var(--trans);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-outline {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-card);
}

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

.btn-ghost {
  color: var(--text-secondary);
  border: 1px solid transparent;
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: var(--bg-elevated);
}

.btn-sm {
  padding: 0.5rem 0.95rem;
  font-size: 0.82rem;
  border-radius: var(--r-sm);
}

.btn-block {
  width: 100%;
}

/* --------------------------------------------------------------------------
   5. NAVBAR & HEADER
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-h);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-card);
  z-index: 1000;
  transition: var(--trans);
}

.site-header.scrolled {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.45rem 0.85rem;
  border-radius: var(--r-sm);
}

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

.nav-link.active {
  color: var(--accent);
  background: var(--accent-surface);
  font-weight: 600;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  padding: 8px;
  border-radius: var(--r-md);
  border: 1px solid var(--border-card);
  background: var(--bg-surface);
}

.hamburger span {
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--trans);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   6. HERO SECTION
   -------------------------------------------------------------------------- */
.hero-sec {
  padding-top: calc(var(--header-h) + 3.5rem);
  padding-bottom: 4.5rem;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
}

.hero-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--status);
  background: var(--status-surface);
  border: 1px solid var(--status-border);
  padding: 0.35rem 0.85rem;
  border-radius: var(--r-full);
  margin-bottom: 1.25rem;
}

.status-indicator {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--status);
}

.hero-heading {
  font-size: clamp(2.3rem, 4.5vw, 3.3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 0.5rem;
}

.hero-role-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1.15rem;
}

.hero-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 520px;
}

.hero-btns {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.hero-social {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--r-md);
  border: 1px solid var(--border-card);
  background: var(--bg-surface);
  color: var(--text-secondary);
}

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

/* Foto Profil Hero */
.profile-card {
  max-width: 360px;
  margin: 0 auto;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border-card);
  background: var(--bg-surface);
}

.avatar-frame {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--bg-elevated);
}

.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-meta-bar {
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-card);
  background: var(--bg-elevated);
}

.profile-meta-info strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
}

.profile-meta-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.profile-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.22rem 0.65rem;
  border-radius: var(--r-full);
  background: var(--accent-surface);
  color: var(--accent);
  border: 1px solid var(--accent-border);
}

/* --------------------------------------------------------------------------
   7. ABOUT SECTION
   -------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
}

.about-bio {
  padding: 2.2rem;
}

.card-head {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: 1.1rem;
}

.about-bio p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.1rem;
  font-size: 0.96rem;
}

.check-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 0.6rem;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.check-mark {
  color: var(--status);
  font-weight: 700;
  flex-shrink: 0;
}

.about-side {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.info-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--r-md);
  padding: 0.95rem 1.1rem;
}

.info-lbl {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.2rem;
}

.info-card strong {
  font-size: 0.9rem;
  font-weight: 600;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.stat-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--r-md);
  padding: 1.2rem;
  text-align: center;
}

.stat-num-row {
  display: inline-flex;
  align-items: baseline;
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.stat-plus {
  font-size: 1.2rem;
  margin-left: 2px;
}

.stat-lbl {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   8. SKILLS SECTION
   -------------------------------------------------------------------------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.skill-card {
  padding: 1.75rem;
}

.skill-top {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.4rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-card);
}

.skill-ico {
  font-size: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: var(--r-md);
  background: var(--accent-surface);
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.skill-top h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.skill-top small {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.skill-rows {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.skill-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
  font-weight: 500;
}

.skill-tier {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-surface);
  padding: 0.15rem 0.5rem;
  border-radius: var(--r-full);
}

.bar-bg {
  width: 100%;
  height: 5px;
  background: var(--bg-elevated);
  border-radius: 9999px;
  overflow: hidden;
}

.bar-val {
  height: 100%;
  background: var(--accent);
  border-radius: 9999px;
  transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   9. PROJECTS SECTION
   -------------------------------------------------------------------------- */
.projects-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.filter-tabs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-tab {
  font-size: 0.84rem;
  font-weight: 500;
  padding: 0.45rem 1rem;
  border-radius: var(--r-full);
  color: var(--text-secondary);
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  transition: var(--trans);
}

.filter-tab:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.filter-tab.active {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  font-weight: 600;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.project-item {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.project-item:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.5), 0 0 20px -5px rgba(59, 130, 246, 0.15);
}

.thumb-box {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-elevated);
}

.item-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.project-item:hover .item-thumb {
  transform: scale(1.03);
}

.cat-badge {
  position: absolute;
  top: 0.85rem;
  left: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.22rem 0.65rem;
  border-radius: var(--r-full);
  background: rgba(9, 11, 17, 0.82);
  color: #ffffff;
}

.item-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.item-title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: 0.5rem;
  line-height: 1.35;
}

.item-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.1rem;
  flex: 1;
}

.item-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.chip-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.2rem 0.55rem;
  border-radius: var(--r-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border-card);
  color: var(--text-secondary);
}

.item-btns {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* --------------------------------------------------------------------------
   10. EDUCATION SECTION
   -------------------------------------------------------------------------- */
.edu-wrap {
  max-width: 820px;
  margin: 0 auto;
}

.edu-box {
  padding: 2.2rem;
}

.edu-header {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.edu-ico {
  font-size: 1.8rem;
  width: 52px;
  height: 52px;
  border-radius: var(--r-md);
  background: var(--accent-surface);
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.edu-yr {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  display: inline-block;
  margin-bottom: 0.25rem;
}

.edu-title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.edu-dept {
  font-size: 0.96rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.edu-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.edu-courses h5, .edu-achieve h5 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}

.course-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.course-chips span {
  font-size: 0.82rem;
  padding: 0.3rem 0.75rem;
  border-radius: var(--r-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border-card);
  color: var(--text-secondary);
}

.edu-achieve ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.edu-achieve li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

/* --------------------------------------------------------------------------
   11. CERTIFICATES SECTION
   -------------------------------------------------------------------------- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.cert-item {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.cert-item:hover {
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.5), 0 0 20px -5px rgba(59, 130, 246, 0.15);
}

.cert-thumb {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--r-md);
  overflow: hidden;
  margin-bottom: 1rem;
  background: var(--bg-elevated);
}

.cert-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cert-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.cert-badge-yr {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.cert-badge-iss {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
}

.cert-h3 {
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 0.45rem;
  line-height: 1.35;
}

.cert-text {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 0.85rem;
  flex: 1;
}

.cert-action {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   12. SERVICES SECTION
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-box {
  padding: 2.2rem 1.8rem;
  display: flex;
  flex-direction: column;
}

.serv-ico {
  font-size: 2rem;
  width: 50px;
  height: 50px;
  border-radius: var(--r-md);
  background: var(--accent-surface);
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.serv-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: 0.65rem;
}

.serv-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.25rem;
  flex: 1;
}

/* --------------------------------------------------------------------------
   13. CONTACT SECTION & FORM
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 2rem;
}

.contact-card, .contact-form-box {
  padding: 2.2rem;
}

.contact-lead {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.8rem;
}

.channel-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.95rem 1.1rem;
  border-radius: var(--r-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-card);
  margin-bottom: 0.85rem;
}

.channel-ico {
  font-size: 1.2rem;
  color: var(--accent);
}

.channel-body {
  flex: 1;
}

.channel-body small {
  display: block;
  font-size: 0.74rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.channel-val {
  font-size: 0.9rem;
  font-weight: 600;
}

.contact-social-wrap {
  margin-top: 1.5rem;
}

.contact-social-lbl {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.social-row {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

/* Form Kontak */
.field-item {
  margin-bottom: 1.15rem;
  display: flex;
  flex-direction: column;
}

.field-item label {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.field-item label .req {
  color: #ef4444;
}

.field-item input, .field-item textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-card);
  border-radius: var(--r-md);
  font-size: 0.9rem;
  color: var(--text-primary);
  transition: var(--trans);
}

.field-item input:focus, .field-item textarea:focus {
  border-color: var(--accent);
}

/* --------------------------------------------------------------------------
   14. FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--border-card);
  background: var(--bg-surface);
  padding: 4rem 0 2rem 0;
  margin-top: 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .brand {
  margin-bottom: 0.65rem;
}

.footer-motto {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 320px;
}

.footer-links-col h4 {
  font-size: 0.84rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.footer-links-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links-col a {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.8rem;
  border-top: 1px solid var(--border-card);
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   15. NOTIFIKASI TOAST & KEMBALI KE ATAS
   -------------------------------------------------------------------------- */
.to-top-btn {
  position: fixed;
  bottom: 1.8rem;
  right: 1.8rem;
  width: 42px;
  height: 42px;
  border-radius: var(--r-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--trans);
  z-index: 999;
}

.to-top-btn.visible {
  opacity: 1;
  visibility: visible;
}

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

.toast-box {
  position: fixed;
  bottom: 1.8rem;
  left: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  z-index: 3000;
  pointer-events: none;
}

.toast {
  padding: 0.75rem 1.15rem;
  border-radius: var(--r-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  font-size: 0.86rem;
  color: var(--text-primary);
  pointer-events: auto;
}

/* --------------------------------------------------------------------------
   16. MEDIA QUERIES (RESPONSIF TABLET & HP)
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .hero-layout {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2.8rem;
  }
  .hero-left {
    align-items: center;
  }
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-btns, .hero-social {
    justify-content: center;
  }
  .about-grid, .contact-grid {
    grid-template-columns: 1fr;
  }
  .skills-grid, .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-h: 62px;
  }
  .section {
    padding: 4rem 0;
  }
  .hamburger {
    display: flex;
  }
  .nav-menu {
    position: fixed;
    top: var(--header-h);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-h));
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-card);
    padding: 2rem 1.5rem;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.25s ease, opacity 0.25s ease, visibility 0.25s;
    overflow-y: auto;
    z-index: 999;
  }
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    width: 100%;
  }
  .nav-link {
    font-size: 1.05rem;
    font-weight: 600;
    display: block;
    width: 100%;
    padding: 0.65rem 0.5rem;
  }
  .skills-grid, .projects-grid, .services-grid, .cert-grid, .info-grid, .stats-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  .hero-heading {
    font-size: 2rem;
  }
  .hero-btns {
    flex-direction: column;
    width: 100%;
  }
  .hero-btns .btn {
    width: 100%;
  }
  .card, .about-bio, .edu-box, .contact-card, .contact-form-box {
    padding: 1.3rem;
  }
  .toast-box {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
  }
}

/* --------------------------------------------------------------------------
   14. MODAL POPUP DETAIL (PROYEK & SERTIFIKAT)
   -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed !important;
  inset: 0 !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  background: rgba(6, 9, 15, 0.82) !important;
  backdrop-filter: blur(14px) !important;
  -webkit-backdrop-filter: blur(14px) !important;
  z-index: 99999 !important;
  display: none !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 1.25rem !important;
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  transition: opacity 0.28s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.28s cubic-bezier(0.16, 1, 0.3, 1) !important;
  overflow: hidden !important;
}

.modal-backdrop.active {
  display: flex !important;
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
}

.modal-dialog {
  position: relative !important;
  width: 100% !important;
  max-width: 740px !important;
  max-height: 90vh !important;
  display: flex !important;
  flex-direction: column !important;
  margin: auto !important;
}

.modal-card {
  position: relative !important;
  background: #11141e !important;
  background: linear-gradient(180deg, #161b2b 0%, #101420 100%) !important;
  border: 1px solid rgba(255, 255, 255, 0.12) !important;
  border-radius: 20px !important;
  box-shadow: 0 24px 64px -12px rgba(0, 0, 0, 0.75),
              0 0 0 1px rgba(59, 130, 246, 0.18),
              0 0 40px -10px rgba(59, 130, 246, 0.15) !important;
  overflow: hidden !important;
  display: flex !important;
  flex-direction: column !important;
  max-height: 90vh !important;
  transform: scale(0.92) translateY(16px) !important;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.modal-backdrop.active .modal-card {
  transform: scale(1) translateY(0) !important;
}

/* Tombol Tutup X */
.modal-close-btn {
  position: absolute !important;
  top: 1rem !important;
  right: 1rem !important;
  z-index: 20 !important;
  width: 38px !important;
  height: 38px !important;
  border-radius: 50% !important;
  background: rgba(22, 26, 39, 0.85) !important;
  backdrop-filter: blur(8px) !important;
  -webkit-backdrop-filter: blur(8px) !important;
  border: 1px solid rgba(255, 255, 255, 0.14) !important;
  color: #94a3b8 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer !important;
  transition: all 0.2s ease !important;
  padding: 0 !important;
  outline: none !important;
}

.modal-close-btn:hover {
  color: #ffffff !important;
  background: rgba(59, 130, 246, 0.2) !important;
  border-color: rgba(59, 130, 246, 0.5) !important;
  transform: rotate(90deg) scale(1.06) !important;
}

/* Wadah Konten Modal */
.modal-body {
  padding: 2rem !important;
  overflow-y: auto !important;
  overscroll-behavior: contain !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 1.35rem !important;
  color: #f8fafc !important;
}

.modal-body::-webkit-scrollbar {
  width: 6px;
}
.modal-body::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 999px;
}
.modal-body::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.18);
  border-radius: 999px;
}
.modal-body::-webkit-scrollbar-thumb:hover {
  background: rgba(59, 130, 246, 0.5);
}

/* Header Meta & Title */
.modal-header-meta {
  display: flex !important;
  align-items: center !important;
  gap: 0.6rem !important;
  flex-wrap: wrap !important;
  padding-right: 2.5rem !important;
}

.modal-sub-badge {
  font-size: 0.78rem !important;
  font-weight: 600 !important;
  padding: 0.28rem 0.75rem !important;
  border-radius: 9999px !important;
  background: rgba(255, 255, 255, 0.06) !important;
  color: #94a3b8 !important;
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
  letter-spacing: 0.02em !important;
}

.modal-title {
  font-size: 1.55rem !important;
  font-weight: 800 !important;
  line-height: 1.3 !important;
  color: #f8fafc !important;
  margin: 0 !important;
  letter-spacing: -0.02em !important;
}

/* Media Gambar / Banner */
.modal-media-box {
  position: relative !important;
  width: 100% !important;
  border-radius: 14px !important;
  overflow: hidden !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  background: #090b11 !important;
  max-height: 320px !important;
}

.modal-media-img {
  width: 100% !important;
  height: 240px !important;
  object-fit: cover !important;
  display: block !important;
  transition: transform 0.4s ease !important;
}

.modal-media-box:hover .modal-media-img {
  transform: scale(1.02) !important;
}

.modal-media-zoom {
  position: absolute !important;
  bottom: 0.85rem !important;
  right: 0.85rem !important;
  background: rgba(9, 11, 17, 0.85) !important;
  backdrop-filter: blur(8px) !important;
  -webkit-backdrop-filter: blur(8px) !important;
  border: 1px solid rgba(255, 255, 255, 0.16) !important;
  color: #f8fafc !important;
  font-size: 0.78rem !important;
  font-weight: 600 !important;
  padding: 0.4rem 0.8rem !important;
  border-radius: 9999px !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 0.45rem !important;
  text-decoration: none !important;
  transition: all 0.2s ease !important;
}

.modal-media-zoom:hover {
  background: #3b82f6 !important;
  color: #ffffff !important;
  border-color: #3b82f6 !important;
}

/* Kartu Info Metadata */
.modal-info-card {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)) !important;
  gap: 0.85rem !important;
  padding: 1rem 1.15rem !important;
  background: rgba(22, 26, 39, 0.7) !important;
  border: 1px solid rgba(255, 255, 255, 0.08) !important;
  border-radius: 14px !important;
}

.modal-info-col {
  display: flex !important;
  flex-direction: column !important;
  gap: 0.25rem !important;
}

.modal-info-col small {
  font-size: 0.75rem !important;
  color: #64748b !important;
  text-transform: uppercase !important;
  letter-spacing: 0.06em !important;
  font-weight: 600 !important;
}

.modal-info-col strong {
  font-size: 0.92rem !important;
  color: #f8fafc !important;
  font-weight: 600 !important;
}

.modal-copy-id-row {
  display: flex !important;
  align-items: center !important;
  gap: 0.5rem !important;
}

.modal-code {
  font-family: 'JetBrains Mono', monospace !important;
  font-size: 0.82rem !important;
  color: #60a5fa !important;
  background: rgba(59, 130, 246, 0.12) !important;
  border: 1px solid rgba(59, 130, 246, 0.28) !important;
  padding: 0.2rem 0.55rem !important;
  border-radius: 6px !important;
  letter-spacing: 0.04em !important;
}

.btn-copy-id {
  background: rgba(255, 255, 255, 0.08) !important;
  border: 1px solid rgba(255, 255, 255, 0.12) !important;
  color: #cbd5e1 !important;
  font-size: 0.72rem !important;
  font-weight: 600 !important;
  padding: 0.25rem 0.6rem !important;
  border-radius: 6px !important;
  cursor: pointer !important;
  transition: all 0.2s ease !important;
}

.btn-copy-id:hover {
  background: #3b82f6 !important;
  color: #ffffff !important;
  border-color: #3b82f6 !important;
}

/* Bagian Section di Modal */
.modal-section {
  display: flex !important;
  flex-direction: column !important;
  gap: 0.55rem !important;
}

.modal-section-title {
  font-size: 0.88rem !important;
  font-weight: 700 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.06em !important;
  color: #94a3b8 !important;
  margin: 0 !important;
}

.modal-desc {
  font-size: 0.95rem !important;
  color: #cbd5e1 !important;
  line-height: 1.7 !important;
  margin: 0 !important;
}

/* Highlight List */
.modal-highlight-list {
  list-style: none !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 0.55rem !important;
  padding: 0 !important;
  margin: 0 !important;
}

.modal-highlight-list li {
  display: flex !important;
  align-items: flex-start !important;
  gap: 0.65rem !important;
  font-size: 0.92rem !important;
  color: #cbd5e1 !important;
  line-height: 1.55 !important;
}

.modal-highlight-list .accent-star {
  color: #3b82f6 !important;
  font-weight: bold !important;
  flex-shrink: 0 !important;
}

.modal-highlight-list .check-mark {
  color: #10b981 !important;
  font-weight: bold !important;
  flex-shrink: 0 !important;
}

/* Footer Buttons */
.modal-footer-btns {
  display: flex !important;
  align-items: center !important;
  gap: 0.75rem !important;
  flex-wrap: wrap !important;
  margin-top: 0.75rem !important;
  padding-top: 1.25rem !important;
  border-top: 1px solid rgba(255, 255, 255, 0.08) !important;
}

.modal-footer-btns .btn {
  padding: 0.7rem 1.35rem !important;
  font-size: 0.92rem !important;
}

/* Responsif Mobile Modal */
@media (max-width: 640px) {
  .modal-backdrop {
    padding: 0.75rem !important;
  }
  .modal-body {
    padding: 1.35rem 1.15rem !important;
    gap: 1.1rem !important;
  }
  .modal-title {
    font-size: 1.28rem !important;
  }
  .modal-media-img {
    height: 180px !important;
  }
  .modal-footer-btns {
    flex-direction: column !important;
    width: 100% !important;
  }
  .modal-footer-btns .btn {
    width: 100% !important;
    justify-content: center !important;
    text-align: center !important;
  }
}


/* --------------------------------------------------------------------------
   15. MEDIA QUERY MOBILE (max-width: 600px)
   Sesuai ketentuan tugas: minimal satu media query untuk tampilan mobile.
   Merapatkan jarak dan ukuran elemen agar nyaman dibaca di layar HP.
   -------------------------------------------------------------------------- */
@media (max-width: 600px) {
  .container {
    padding: 0 1.1rem;
  }
  .section {
    padding: 3.25rem 0;
  }
  .sec-head {
    margin-bottom: 2.25rem;
  }
  .sec-desc {
    font-size: 0.92rem;
  }
  .projects-bar {
    margin-bottom: 1.75rem;
  }
  .filter-tabs {
    justify-content: center;
    gap: 0.4rem;
  }
  .filter-tab {
    font-size: 0.8rem;
    padding: 0.4rem 0.85rem;
  }
  .projects-grid, .skills-grid, .cert-grid {
    gap: 1.25rem;
  }
  .item-body {
    padding: 1.2rem;
  }
  .item-btns {
    flex-wrap: wrap;
  }
}