/* ============================================================
   LAYOUT.CSS – Navigation, Hero, Sections, Footer
   ============================================================ */

/* ══════════════════════════
   NAVIGATION
   ══════════════════════════ */
.top-nav-fade {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 110px;
  pointer-events: none;
  z-index: 99;
  background: linear-gradient(to bottom, var(--milk, #fdfdf1) 0%, rgba(253, 253, 241, 0.8) 55%, transparent 100%);
}

[data-theme="dark"] .top-nav-fade,
:is(.dark, [data-theme="dark"]) .top-nav-fade {
  background: linear-gradient(to bottom, var(--dk-black, #000000) 0%, rgba(0, 0, 0, 0.8) 55%, transparent 100%);
}

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--nav-bg);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--nav-border);
  transition: background 0.3s, box-shadow 0.3s, border-color 0.3s;
}

nav.scrolled {
  background: var(--nav-bg);
  box-shadow: 0 1px 0 var(--border-lt), 0 4px 28px rgba(0,0,0,0.07);
}

[data-theme="dark"] nav.scrolled {
  box-shadow: 0 1px 0 rgba(255,255,255,0.06), 0 4px 32px rgba(0,0,0,0.4);
}

/* ── Nav Brand / Logo ── */
.nav-logo {
  position: absolute;
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  z-index: 101;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.2s ease;
}

.nav-logo:hover {
  transform: translateY(-50%) scale(1.08);
  opacity: 0.92;
}

.nav-logo:focus-visible {
  outline: 2px solid var(--orange, #ec5e27);
  outline-offset: 3px;
  border-radius: 50%;
}

.nav-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  border: 1px solid var(--border-lt);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-links a {
  color: var(--muted-lt);
  text-decoration: none;
  font-size: 0.83rem;
  font-weight: 500;
  padding: 0.38rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
  letter-spacing: 0.01em;
  white-space: nowrap;
  font-family: var(--font-sans);
}

.nav-links a:hover {
  color: var(--text-bright);
  background: rgba(0,0,0,0.05);
}

[data-theme="dark"] .nav-links a:hover {
  background: rgba(255,255,255,0.06);
}

.nav-links a.active {
  color: var(--red);
  background: rgba(196,53,43,0.09);
}

.nav-links li:not(:last-child)::after {
  content: '·';
  color: var(--border-lt);
  font-size: 0.55rem;
  pointer-events: none;
  padding-left: 0.1rem;
  line-height: 1;
}

/* Right-side nav controls: hamburger + theme toggle */
.nav-controls {
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  background: none;
  border: 1px solid var(--border-lt);
  cursor: pointer;
  padding: 7px;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
  z-index: 101;
}

/* ── Theme Toggle Button ── */
.theme-toggle {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-lt);
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all 0.2s cubic-bezier(0.34,1.56,0.64,1);
  color: var(--muted-lt);
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: rgba(196,53,43,0.35);
  background: rgba(196,53,43,0.08);
  color: var(--red);
  transform: rotate(15deg) scale(1.08);
}

/* ══════════════════════════
   HERO SECTION
   ══════════════════════════ */
#hero {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5rem 2rem 4rem;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}

/* decorative corner accent */
#hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 420px; height: 420px;
  background: radial-gradient(circle at top right, rgba(196,53,43,0.07) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

#hero > * { position: relative; z-index: 2; }

.hero-inner {
  max-width: 1140px;
  width: 100%;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 5rem;
  align-items: center;
}

/* ── Hero photo col ── */
.hero-photo-col {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1.5rem 0;
}

.hero-photo-col .photo-inner img { object-position: center top; }
.hero-photo-col .photo-scene { cursor: default; }
.hero-photo-col .photo-click-hint { display: none; }

/* ══════════════════════════
   MARQUEE STRIP
   ══════════════════════════ */
.marquee-section {
  background: var(--bg2);
  border-top: 1px solid var(--border-lt);
  border-bottom: 1px solid var(--border-lt);
  overflow: hidden;
  padding: 0.85rem 0;
}

.marquee-track { overflow: hidden; }

.marquee-content {
  display: flex;
  align-items: center;
  gap: 2rem;
  width: max-content;
  animation: marqueeScroll 30s linear infinite;
}

.marquee-content span {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted-lt);
  white-space: nowrap;
  font-weight: 500;
}

.marquee-content span i { color: var(--red-lt); font-size: 0.88rem; }
.marquee-content .dot { color: rgba(196,53,43,0.3); font-size: 0.5rem; }

/* ══════════════════════════
   SECTION GLOBALS
   ══════════════════════════ */
section { padding: 6rem 2rem; transition: background 0.35s ease; }

.section-container { max-width: 1140px; margin: 0 auto; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--red-lt);
  margin-bottom: 0.8rem;
}

.section-label::before {
  content: '';
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--grad);
  border-radius: 1px;
}

[data-theme="dark"] .section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
  max-width: 100%;
  align-self: flex-start;
  justify-self: start;
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 7px 14px;
  font-family: var(--lm-sans, 'DM Sans', system-ui, sans-serif);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.3;
  white-space: nowrap;
  letter-spacing: 0;
  text-transform: none;
  background: rgba(198, 255, 52, 0.10);
  border: 1px solid rgba(198, 255, 52, 0.28);
  color: #C6FF34;
  margin-bottom: 0.8rem;
}

[data-theme="dark"] .section-label::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #C6FF34;
  flex-shrink: 0;
  margin: 0;
}

.section-title {
  font-family: var(--font-sans);
  font-size: clamp(1.9rem, 3.8vw, 2.85rem);
  font-weight: 800;
  color: var(--text-bright);
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 0.8rem;
}

.section-sub {
  font-size: 0.97rem;
  color: var(--muted-lt);
  max-width: 540px;
  line-height: 1.8;
  margin-bottom: 2.75rem;
}

.section-divider {
  width: 36px; height: 2px;
  background: var(--grad);
  border-radius: 2px;
  margin-bottom: 1.5rem;
}

/* ══════════════════════════
   ABOUT LAYOUT
   ══════════════════════════ */
#about {
  background: var(--bg2);
  position: relative;
  padding-top: 0;
  padding-bottom: 5.5rem;
  overflow: clip;
  scroll-margin-top: 64px;
}

#about::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 40% at 85% 8%, rgba(196,53,43,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 45% 40% at 5% 92%, rgba(200,137,10,0.05) 0%, transparent 55%);
  pointer-events: none;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 56px;
  align-items: start;
  margin-bottom: 3.5rem;
}

.about-photo-col {
  position: relative;
  align-self: start;
  justify-self: center;
  width: 100%;
  max-width: 420px;
  padding-top: 0;
  margin-top: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

/* Sembunyikan chip & bingkai lama HANYA di #about */
#about .photo-ring,
#about .photo-ring-border,
#about .photo-float {
  display: none !important;
}

.about-photo-actions {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  align-items: center;
  width: 100%;
  max-width: 280px;
  padding: 0;
}

.about-photo-actions .btn-cv,
.about-photo-actions .btn-outline {
  flex: 1 1 160px;
  justify-content: center;
}

.about-content-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
  padding-top: 92px;
}

#about .section-label {
  display: inline-flex;
  width: fit-content;
  align-self: flex-start;
}

#about .section-title {
  margin-bottom: 0.65rem;
}

#about .section-divider {
  margin-bottom: 0.85rem;
}

.about-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-top: 1.5rem;
  width: 100%;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

/* ══════════════════════════
   TIMELINE LAYOUT
   ══════════════════════════ */
#timeline {
  background: var(--bg3);
  position: relative;
}

#timeline::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 45% at 18% 55%, rgba(107,79,216,0.05) 0%, transparent 60%);
  pointer-events: none;
}

.timeline-wrap {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  padding: 0.5rem 0 0.5rem 2rem;
}

.timeline-line {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--border) 10%, var(--border) 90%, transparent);
}

.tl-item {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  align-items: flex-start;
  position: relative;
}

.tl-dot {
  position: absolute;
  left: -2.85rem;
  top: 0.1rem;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--bg2);
  border: 1.5px solid var(--border-lt);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted-lt);
  font-size: 0.82rem;
  flex-shrink: 0;
  z-index: 2;
  transition: all 0.3s;
}

.tl-dot.active {
  background: rgba(196,53,43,0.12);
  border-color: var(--red);
  color: var(--red-lt);
  box-shadow: 0 0 18px rgba(196,53,43,0.22);
}

.tl-content {
  flex: 1;
  background: var(--card);
  border: 1px solid var(--border-lt);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.5rem;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  backdrop-filter: blur(8px);
}

.tl-content:hover {
  border-color: rgba(196,53,43,0.20);
  transform: translateX(4px);
  box-shadow: var(--shadow);
}

.tl-content.active {
  border-color: rgba(196,53,43,0.28);
  border-left: 3px solid var(--red);
  padding-left: calc(1.5rem - 2px);
}

.timeline-year {
  font-family: var(--font-mono);
  font-size: 0.67rem;
  color: var(--red-lt);
  letter-spacing: 0.06em;
  margin-bottom: 0.4rem;
  font-weight: 600;
}

[data-theme="dark"] .timeline-year {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  align-self: flex-start;
  justify-self: start;
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 5px 12px;
  font-family: var(--lm-sans, 'DM Sans', system-ui, sans-serif);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.3;
  white-space: nowrap;
  letter-spacing: 0;
  background: var(--dk-violet-soft, rgba(127, 58, 237, 0.16));
  border: 1px solid var(--dk-violet, #7f3aed);
  color: var(--dk-text, #F3F3EE);
  margin-bottom: 0.55rem;
}

.timeline-title {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 0.3rem;
  letter-spacing: -0.02em;
}

.timeline-place {
  font-size: 0.8rem;
  color: var(--muted-lt);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.65rem;
}

.timeline-place i { color: var(--red); font-size: 0.7rem; }

.timeline-desc {
  font-size: 0.875rem;
  color: var(--muted-lt);
  line-height: 1.75;
  margin-bottom: 0.85rem;
}

.timeline-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
[data-theme="dark"] .timeline-tags { display: flex; flex-wrap: wrap; gap: 8px; align-items: flex-start; }

/* ══════════════════════════
   ORGANIZATIONS LAYOUT
   ══════════════════════════ */
#organizations {
  background: var(--bg2);
  position: relative;
}

#organizations::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 45% at 78% 18%, rgba(107,79,216,0.05) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 12% 78%, rgba(196,53,43,0.04) 0%, transparent 55%);
  pointer-events: none;
}

/* ══════════════════════════
   PROJECTS LAYOUT
   ══════════════════════════ */
#projects {
  background: var(--bg);
  position: relative;
}

#projects::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 40% at 8% 82%, rgba(220,90,58,0.06) 0%, transparent 55%),
    radial-gradient(ellipse 45% 40% at 92% 15%, rgba(200,137,10,0.05) 0%, transparent 55%);
  pointer-events: none;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.projects-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  margin-top: 2.75rem;
}

/* ══════════════════════════
   CERTIFICATES LAYOUT
   ══════════════════════════ */
#certificates {
  background: var(--bg2);
  position: relative;
}

#certificates::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 45% at 88% 18%, rgba(196,53,43,0.05) 0%, transparent 58%),
    radial-gradient(ellipse 45% 40% at 12% 88%, rgba(107,79,216,0.04) 0%, transparent 55%);
  pointer-events: none;
}

.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.4rem;
}

/* ══════════════════════════
   SKILLS LAYOUT
   ══════════════════════════ */
#skills {
  background: var(--bg3);
  position: relative;
}

#skills::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 55% 50% at 50% 30%, rgba(196,53,43,0.05) 0%, transparent 60%);
  pointer-events: none;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(128px, 1fr));
  gap: 1rem;
}

/* ══════════════════════════
   CTA BANNER
   ══════════════════════════ */
#cta-banner {
  background: var(--bg2);
  border-top: 1px solid var(--border-lt);
  border-bottom: 1px solid var(--border-lt);
  padding: 5rem 2rem;
  position: relative;
  overflow: hidden;
}

#cta-banner::before {
  content: '';
  position: absolute;
  inset: -40px;
  background: radial-gradient(ellipse 60% 60% at 50% 50%, rgba(196,53,43,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-banner-glow { display: none; }
.cta-banner-text { position: relative; z-index: 1; }

.cta-banner-quote {
  font-family: var(--font-sans);
  font-size: clamp(1.05rem, 2.4vw, 1.5rem);
  font-weight: 600;
  color: var(--text-bright);
  line-height: 1.65;
  letter-spacing: -0.02em;
  max-width: 100%;
  margin: 0 auto 1rem;
  text-align: center;
  font-style: italic;
}

.cta-quote-icon {
  font-size: 2rem;
  color: rgba(196,53,43,0.18);
  margin-bottom: 1rem;
  line-height: 1;
}

.cta-banner-author {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted-lt);
  letter-spacing: 0.05em;
}

/* ══════════════════════════
   CONTACT LAYOUT
   ══════════════════════════ */
#contact {
  background: var(--bg2);
  position: relative;
}

#contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 50% at 88% 12%, rgba(196,53,43,0.05) 0%, transparent 55%),
    radial-gradient(ellipse 40% 40% at 8% 82%, rgba(107,79,216,0.04) 0%, transparent 55%);
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

/* ══════════════════════════
   FOOTER
   ══════════════════════════ */
footer {
  background: var(--bg3);
  padding: 3rem 2rem 2rem;
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--red) 20%,
    var(--coral) 45%,
    var(--amber) 70%,
    transparent 100%);
  opacity: 0.45;
}

.footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-decoration: none;
}

.footer-logo-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--border-lt);
  display: block;
}

.footer-logo-text {
  font-family: var(--lm-serif, var(--font-serif));
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1;
  color: inherit;
}

.footer-tagline {
  font-size: 0.83rem;
  color: var(--muted);
  margin-top: -0.5rem;
  text-align: center;
  max-width: 100%;
}

.footer-socials {
  display: flex;
  justify-content: center;
  gap: 0.7rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.footer-links a {
  font-size: 0.8rem;
  color: var(--muted-lt);
  text-decoration: none;
  transition: color 0.2s;
  font-family: var(--font-sans);
}

.footer-links a:hover { color: var(--red); }
.footer-links span { color: var(--border-lt); font-size: 0.65rem; }

.footer-copy {
  font-size: 0.78rem;
  color: var(--muted);
  text-align: center;
  max-width: 100%;
}

.footer-copy span { color: var(--red); font-weight: 600; }