/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --navy:        #0b1d51;
  --navy2:       #1a3272;
  --blue:        #3b82f6;
  --blue-dark:   #2563eb;
  --cyan:        #06b6d4;
  --purple:      #8b5cf6;
  --green:       #10b981;
  --amber:       #f59e0b;
  --rose:        #f43f5e;
  --bg:          #f0f4fc;
  --surface:     #ffffff;
  --text:        #0f172a;
  --text-muted:  #64748b;
  --border:      #e2e8f0;
  --radius:      14px;
  --radius-sm:   8px;
  --shadow:      0 4px 20px rgba(11,29,81,0.10);
  --shadow-lg:   0 8px 40px rgba(11,29,81,0.15);
}

body {
  font-family: 'Inter', 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; }

code {
  background: #eff6ff;
  color: var(--navy2);
  padding: 2px 7px;
  border-radius: 5px;
  font-family: 'Cascadia Code', 'Courier New', monospace;
  font-size: 0.88em;
}

/* ============================================
   HEADER
   ============================================ */
header {
  background: var(--navy);
  color: #fff;
  padding: 28px 24px;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.logo { display: flex; align-items: center; gap: 12px; }
.logo-icon { font-size: 2rem; }
.logo h1 { font-size: 1.9rem; font-weight: 800; letter-spacing: -0.5px; }

.tagline {
  font-size: 0.9rem;
  color: #93c5fd;
  background: rgba(59,130,246,0.15);
  padding: 4px 14px;
  border-radius: 20px;
  border: 1px solid rgba(59,130,246,0.3);
}

/* ============================================
   NAV
   ============================================ */
nav {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(11,29,81,0.3);
}

nav ul {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0 24px;
  flex-wrap: wrap;
}

nav ul li a {
  display: block;
  padding: 14px 18px;
  color: #93c5fd;
  font-weight: 500;
  font-size: 0.92rem;
  border-bottom: 3px solid transparent;
  transition: all 0.2s;
  letter-spacing: 0.2px;
}

nav ul li a:hover,
nav ul li a.nav-active {
  color: #fff;
  border-bottom-color: var(--blue);
  text-decoration: none;
}

nav ul li a.nav-dicoding {
  background: var(--blue);
  color: #fff;
  border-radius: var(--radius-sm);
  margin-left: auto;
  padding: 9px 22px;
  font-weight: 700;
  border-bottom: none;
  transition: background 0.2s, transform 0.15s;
}
nav ul li a.nav-dicoding:hover { background: var(--blue-dark); transform: translateY(-1px); }

/* ============================================
   ARTICLE PAGE — main layout
   ============================================ */
main {
  max-width: 1100px;
  margin: 36px auto;
  padding: 0 24px;
  display: flex;
  align-items: flex-start;
  gap: 28px;
}

/* ── Article ── */
article {
  flex: 1 1 0;
  min-width: 0;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
}

.article-header { margin-bottom: 22px; }

.category-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #eff6ff;
  color: var(--blue-dark);
  border: 1.5px solid #bfdbfe;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
}

.article-header h2 {
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1.28;
  color: var(--navy);
  margin-bottom: 14px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--text-muted);
  font-size: 0.83rem;
  background: #f8faff;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.article-meta span { display: flex; align-items: center; gap: 5px; }

.article-img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 28px;
  display: block;
  box-shadow: var(--shadow);
}

article h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 28px 0 10px;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 8px;
}
article h3::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1.15em;
  background: var(--blue);
  border-radius: 2px;
  flex-shrink: 0;
}

article p { margin-bottom: 16px; color: var(--text); }

article > ul { list-style: none; padding-left: 0; margin-bottom: 16px; }
article > ul li {
  padding: 6px 0 6px 24px;
  position: relative;
  color: var(--text);
  border-bottom: 1px solid #f1f5f9;
}
article > ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--blue);
  font-size: 0.8rem;
  top: 8px;
}

.highlight-box {
  background: #f0f9ff;
  border-left: 4px solid var(--cyan);
  border-radius: var(--radius);
  padding: 22px 26px;
  margin: 24px 0;
  position: relative;
  overflow: hidden;
}
.highlight-box::after {
  content: '💡';
  position: absolute;
  right: 20px;
  top: 16px;
  font-size: 1.6rem;
  opacity: 0.25;
}
.highlight-box h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #0369a1;
}
.highlight-box ul { list-style: none; padding-left: 0; }
.highlight-box ul li {
  padding: 5px 0 5px 22px;
  position: relative;
  font-size: 0.92rem;
  border-bottom: none;
}
.highlight-box ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 800;
  top: 5px;
}

.code-block {
  background: #0d1b3e;
  border-radius: var(--radius);
  padding: 22px 26px;
  margin: 18px 0 22px;
  overflow-x: auto;
  border: 1px solid #1e3a8a;
  position: relative;
}
.code-block::before {
  content: 'CSS';
  position: absolute;
  top: 10px;
  right: 16px;
  font-size: 0.7rem;
  font-weight: 700;
  color: #475569;
  letter-spacing: 1px;
}
.code-block pre { margin: 0; }
.code-block code {
  background: transparent;
  color: #7dd3fc;
  font-size: 0.88rem;
  padding: 0;
  line-height: 1.8;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
  padding-top: 22px;
  border-top: 2px solid var(--border);
}
.tag {
  background: #eff6ff;
  color: var(--blue-dark);
  border: 1.5px solid #bfdbfe;
  padding: 5px 16px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
  transition: all 0.2s;
  cursor: default;
}
.tag:hover { background: var(--blue); color: #fff; border-color: var(--blue); }

/* ── Aside / Sidebar ── */
aside {
  flex: 0 0 300px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.aside-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  border-top: 3px solid transparent;
  transition: box-shadow 0.2s;
}
.aside-card:hover { box-shadow: var(--shadow-lg); }
.aside-card:nth-child(1) { border-top-color: var(--blue); }
.aside-card:nth-child(2) { border-top-color: var(--cyan); }
.aside-card:nth-child(3) { border-top-color: var(--purple); }

.aside-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Profile card */
.profile-card { text-align: center; }
.profile-photo {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--blue);
  margin: 0 auto 14px;
  display: block;
  box-shadow: 0 0 0 6px rgba(59,130,246,0.12);
}
.profile-card h3 {
  border-bottom: none; padding-bottom: 0;
  font-size: 1.05rem; margin-bottom: 4px;
}
.profile-title { color: var(--blue); font-size: 0.82rem; font-weight: 600; margin-bottom: 10px; }
.profile-bio { color: var(--text-muted); font-size: 0.85rem; line-height: 1.6; margin-bottom: 16px; }

.profile-stats {
  display: flex;
  justify-content: space-around;
  margin-bottom: 18px;
  padding: 14px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stat { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.stat-number { font-size: 1.1rem; font-weight: 800; color: var(--blue); }
.stat-label { font-size: 0.72rem; color: var(--text-muted); }

.btn-dicoding {
  display: inline-block;
  background: var(--navy);
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  transition: background 0.2s, transform 0.15s;
  width: 100%;
  text-align: center;
}
.btn-dicoding:hover { background: var(--navy2); transform: translateY(-1px); text-decoration: none; }

/* Related list */
.related-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.related-list li:last-child { border-bottom: none; padding-bottom: 0; }
.related-list li a {
  display: block;
  font-size: 0.845rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 3px;
  line-height: 1.4;
  transition: color 0.2s;
}
.related-list li a:hover { color: var(--blue); text-decoration: none; }
.related-list li span { font-size: 0.74rem; color: var(--text-muted); }

/* Tag cloud */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 7px; }
.topic-tag {
  background: var(--bg);
  border: 1.5px solid var(--border);
  color: var(--text-muted);
  padding: 5px 13px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  transition: all 0.2s;
}
.topic-tag:hover {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
  text-decoration: none;
  transform: translateY(-1px);
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  background: var(--navy);
  color: #cbd5e1;
  margin-top: 60px;
  padding: 48px 24px 0;
  border-top: 4px solid var(--blue);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-col { flex: 1 1 200px; }
.footer-col h4 { color: #f1f5f9; font-size: 1rem; font-weight: 700; margin-bottom: 14px; }
.footer-col p { font-size: 0.875rem; line-height: 1.7; }
.footer-col ul li { margin-bottom: 9px; font-size: 0.875rem; }
.footer-col ul li a { color: #94a3b8; transition: color 0.2s; }
.footer-col ul li a:hover { color: #fff; text-decoration: none; }
.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 0;
  text-align: center;
  font-size: 0.84rem;
  color: #475569;
}

/* ============================================
   PAGE: BERANDA
   ============================================ */
.page-beranda {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 24px 60px;
}

/* Hero */
.hero-section {
  background: var(--navy);
  color: #fff;
  border-radius: var(--radius);
  padding: 40px 36px 36px;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin: 0 auto 40px;
  max-width: 620px;
}
.hero-section::before {
  content: '';
  position: absolute;
  width: 260px; height: 260px;
  background: rgba(59,130,246,0.10);
  border-radius: 50%;
  top: -80px; right: -70px;
}
.hero-section::after {
  content: '';
  position: absolute;
  width: 200px; height: 200px;
  background: rgba(6,182,212,0.08);
  border-radius: 50%;
  bottom: -60px; left: -50px;
}
.hero-section > * { position: relative; z-index: 1; }

.hero-badge {
  display: inline-block;
  background: rgba(59,130,246,0.2);
  color: #93c5fd;
  border: 1px solid rgba(59,130,246,0.4);
  padding: 3px 14px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.hero-section h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 6px;
  letter-spacing: -0.5px;
}
.hero-section h2 span { color: var(--blue); }
.hero-sub { font-size: 0.92rem; color: #93c5fd; margin-bottom: 12px; }
.hero-welcome {
  font-size: 0.875rem;
  color: #94a3b8;
  max-width: 420px;
  margin: 0 auto 24px;
  line-height: 1.65;
}
.hero-buttons { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.btn-hero {
  background: var(--blue);
  color: #fff;
  border: none;
  padding: 10px 26px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}
.btn-hero:hover { background: var(--blue-dark); transform: translateY(-2px); }
.btn-hero-outline {
  background: transparent;
  color: #93c5fd;
  border: 2px solid rgba(59,130,246,0.4);
  padding: 8px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-hero-outline:hover { border-color: var(--blue); color: #fff; transform: translateY(-2px); }

/* Stat bar */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 36px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,0.1);
  flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat-num { font-size: 1.4rem; font-weight: 800; color: #fff; display: block; }
.hero-stat-label { font-size: 0.75rem; color: #94a3b8; }

/* Feature cards */
.section-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-title::after {
  content: '';
  flex: 1;
  height: 2px;
  background: var(--border);
  border-radius: 1px;
}

.beranda-features { display: flex; flex-wrap: wrap; gap: 20px; margin-bottom: 48px; }

.feature-card {
  flex: 1 1 280px;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  border-bottom: 4px solid transparent;
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature-card.fc-blue  { border-bottom-color: var(--blue); }
.feature-card.fc-cyan  { border-bottom-color: var(--cyan); }
.feature-card.fc-purple{ border-bottom-color: var(--purple); }

.feature-icon-wrap {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  font-weight: 800;
  font-family: 'Cascadia Code', 'Courier New', monospace;
  margin-bottom: 16px;
  letter-spacing: -1px;
}
.fc-blue  .feature-icon-wrap { background: #eff6ff; color: var(--blue-dark); }
.fc-cyan  .feature-icon-wrap { background: #ecfeff; color: #0891b2; }
.fc-purple .feature-icon-wrap { background: #f5f3ff; color: var(--purple); }

.feature-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; color: var(--navy); }
.feature-card p { font-size: 0.875rem; color: var(--text-muted); line-height: 1.6; }

/* Latest article teaser */
.beranda-latest { margin-bottom: 48px; }
.article-teaser {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  display: flex;
  gap: 24px;
  align-items: center;
  transition: box-shadow 0.2s;
  cursor: pointer;
  border-left: 5px solid var(--blue);
}
.article-teaser:hover { box-shadow: var(--shadow-lg); }
.teaser-img {
  width: 130px;
  height: 90px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}
.teaser-badge {
  display: inline-block;
  background: #eff6ff;
  color: var(--blue-dark);
  border: 1px solid #bfdbfe;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 8px;
}
.teaser-title { font-size: 1.05rem; font-weight: 700; color: var(--navy); margin-bottom: 6px; line-height: 1.3; }
.teaser-meta { font-size: 0.8rem; color: var(--text-muted); }
.teaser-read {
  margin-top: 10px;
  display: inline-block;
  color: var(--blue);
  font-size: 0.85rem;
  font-weight: 600;
}
.teaser-read:hover { text-decoration: none; color: var(--blue-dark); }

/* ============================================
   PAGE: TENTANG
   ============================================ */
.page-tentang {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 24px 60px;
}

.tentang-hero {
  background: var(--navy);
  color: #fff;
  border-radius: var(--radius);
  padding: 48px 40px;
  display: flex;
  align-items: center;
  gap: 32px;
  margin-bottom: 36px;
  position: relative;
  overflow: hidden;
}
.tentang-hero::before {
  content: '';
  position: absolute;
  width: 350px; height: 350px;
  background: rgba(59,130,246,0.08);
  border-radius: 50%;
  top: -100px; right: -80px;
}
.tentang-photo {
  width: 130px; height: 130px;
  border-radius: 50%;
  object-fit: cover;
  border: 5px solid var(--blue);
  flex-shrink: 0;
  box-shadow: 0 0 0 8px rgba(59,130,246,0.15);
  position: relative; z-index: 1;
}
.tentang-hero-info { position: relative; z-index: 1; }
.tentang-hero-info h2 { font-size: 1.9rem; font-weight: 800; margin-bottom: 6px; }
.tentang-role { color: #93c5fd; font-size: 0.95rem; font-weight: 600; margin-bottom: 6px; }
.tentang-location { color: #94a3b8; font-size: 0.88rem; margin-bottom: 18px; }
.tentang-btn { display: inline-block; width: auto; }

.tentang-body { display: flex; flex-direction: column; gap: 24px; }

.tentang-section {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 28px 32px;
  box-shadow: var(--shadow);
  border-left: 4px solid transparent;
  transition: box-shadow 0.2s;
}
.tentang-section:hover { box-shadow: var(--shadow-lg); }
.tentang-section:nth-child(1) { border-left-color: var(--blue); }
.tentang-section:nth-child(2) { border-left-color: var(--amber); }
.tentang-section:nth-child(3) { border-left-color: var(--cyan); }
.tentang-section:nth-child(4) { border-left-color: var(--green); }
.tentang-section:nth-child(5) { border-left-color: var(--purple); }
.tentang-section:nth-child(6) { border-left-color: var(--rose); }

.tentang-section h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
  display: flex; align-items: center; gap: 8px;
}
.tentang-section p { color: var(--text); line-height: 1.7; margin-bottom: 10px; }

/* Timeline */
.timeline { display: flex; flex-direction: column; gap: 18px; }
.timeline-item { display: flex; gap: 16px; align-items: flex-start; }
.timeline-dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--blue);
  margin-top: 4px;
  flex-shrink: 0;
  box-shadow: 0 0 0 4px rgba(59,130,246,0.15);
}
.timeline-content h4 { font-size: 0.95rem; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.timeline-sub { font-size: 0.86rem; color: var(--text-muted); margin-bottom: 4px; }
.timeline-date {
  display: inline-block;
  font-size: 0.76rem;
  color: var(--blue-dark);
  font-weight: 600;
  background: #eff6ff;
  padding: 2px 10px;
  border-radius: 20px;
  border: 1px solid #bfdbfe;
}

/* Skills */
.skills-grid { display: flex; flex-direction: column; gap: 14px; }

.skill-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

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

.skill-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
}

.skill-pct {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
}

.skill-bar {
  width: 100%;
  height: 5px;
  background: #e8edf5;
  border-radius: 99px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  border-radius: 99px;
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-fill.s1 { background: var(--blue); }
.skill-fill.s2 { background: var(--cyan); }
.skill-fill.s3 { background: var(--amber); }
.skill-fill.s4 { background: var(--green); }
.skill-fill.s5 { background: var(--purple); }
.skill-fill.s6 { background: var(--rose); }

/* Certs */
.cert-list { display: flex; flex-direction: column; gap: 14px; }
.cert-item {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 14px 16px;
  background: #f8faff;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  border-left: 3px solid var(--green);
}
.cert-icon { font-size: 1.2rem; margin-top: 1px; }
.cert-item h4 { font-size: 0.88rem; font-weight: 700; color: var(--navy); margin-bottom: 3px; }
.cert-item p { font-size: 0.79rem; color: var(--text-muted); margin: 0; }

/* Kontak */
.kontak-list { display: flex; flex-direction: column; gap: 12px; }
.kontak-item {
  display: flex; align-items: center; gap: 12px;
  font-size: 0.9rem; color: var(--text);
  padding: 10px 14px;
  background: #f8faff;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.kontak-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  background: var(--navy2);
  padding: 2px 10px;
  border-radius: 20px;
  flex-shrink: 0;
  min-width: 60px;
  text-align: center;
}
.kontak-item a { color: var(--blue); }

/* Fade-in animation */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
.page-beranda, .page-tentang, main { animation: fadeUp 0.35s ease both; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  main { flex-direction: column; }
  aside { flex: none; width: 100%; }
  .article-header h2 { font-size: 1.45rem; }
  nav ul li a.nav-dicoding { margin-left: 0; }
  .logo h1 { font-size: 1.5rem; }
  .hero-section h2 { font-size: 1.8rem; }
  .hero-section { padding: 32px 20px 28px; }
  .tentang-hero { flex-direction: column; text-align: center; padding: 32px 20px; border-radius: 0; }
  .skill-name { width: auto; }
  .article-teaser { flex-direction: column; }
  .teaser-img { width: 100%; height: 160px; }
  .header-inner { flex-direction: column; align-items: flex-start; }
  .tagline { display: none; }
}