/* ============================================
   AFDAL PORTFOLIO — STYLE (FINAL)
   1. Tokens      2. Base       3. Spotlight
   4. Navbar      5. Hero       6. Lanyard badge
   7. Buttons     8. Sections   9. Reveal
   10. Responsive & Motion   11. Transisi tema
   ============================================ */

/* ---------- 1. DESIGN TOKENS ---------- */
:root {
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;

  --radius-lg: 24px;
  --radius-pill: 999px;
  --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Tema gelap (default) */
:root,
:root[data-theme="dark"] {
  color-scheme: dark;   /* scrollbar & kontrol bawaan browser ikut gelap */

  --bg-primary: #080808;
  --bg-secondary: #151515;
  --accent: #FF7A18;
  --accent-soft: rgba(255, 122, 24, 0.15);
  --glass-bg: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.10);
  --glass-highlight: rgba(255, 255, 255, 0.18);
  --text-primary: #F5F5F5;
  --text-secondary: #9CA3AF;

  --navbar-bg: rgba(8, 8, 8, 0.55);
  --navbar-bg-scrolled: rgba(8, 8, 8, 0.78);
  --navbar-bg-solid: rgba(10, 10, 16, 0.92);   /* mobile: tanpa blur induk */
  --menu-bg: rgba(10, 12, 20, 0.72);           /* panel menu mobile (di-blur) */
  --chip-bg: rgba(255, 255, 255, 0.05);
  --media-bg: linear-gradient(145deg, #1a1a1a, #0e0e0e);
  --media-ph: rgba(255, 255, 255, 0.18);

  /* Ambient hero: hitam → biru tua */
  --hero-bg: radial-gradient(120% 90% at 50% 0%,
      #0a1535 0%, #071027 45%, #050508 100%);
  --blob-1: rgba(14, 58, 138, 0.50);
  --blob-2: rgba(10, 42, 110, 0.45);
  --blob-3: rgba(6, 27, 69, 0.55);
  --blob-4: rgba(23, 78, 166, 0.35);

  /* Cahaya yang mengikuti kursor */
  --spotlight-core: rgba(255, 122, 24, 0.20);
  --spotlight-mid:  rgba(255, 122, 24, 0.07);

  /* Kokarde lanyard */
  --card-bg: linear-gradient(160deg, #1f1f24 0%, #101013 100%);
  --card-border: rgba(255, 255, 255, 0.12);
  --card-text: #F5F5F5;
  --card-sub: #9CA3AF;
  --card-slot: rgba(0, 0, 0, 0.75);
  --strap-edge: #8f420a;
  --strap-band: #FF7A18;
  --strap-stitch: rgba(255, 255, 255, 0.5);
}

/* Tema terang */
:root[data-theme="light"] {
  color-scheme: light;

  --bg-primary: #F4F5F8;
  --bg-secondary: #EAEDF2;
  --accent: #E2610A;
  --accent-soft: rgba(226, 97, 10, 0.12);
  --glass-bg: rgba(255, 255, 255, 0.6);
  --glass-border: rgba(15, 20, 40, 0.10);
  --glass-highlight: rgba(255, 255, 255, 0.9);
  --text-primary: #171A21;
  --text-secondary: #525A68;

  --navbar-bg: rgba(255, 255, 255, 0.55);
  --navbar-bg-scrolled: rgba(255, 255, 255, 0.8);
  --navbar-bg-solid: rgba(252, 252, 254, 0.95);
  --menu-bg: rgba(255, 255, 255, 0.75);
  --chip-bg: rgba(15, 20, 40, 0.04);
  --media-bg: linear-gradient(145deg, #e6e9f0, #f2f4f8);
  --media-ph: rgba(15, 20, 40, 0.25);

  /* Ambient hero versi terang: biru lembut */
  --hero-bg: radial-gradient(120% 90% at 50% 0%,
      #dbe6fb 0%, #e9eef9 55%, #f4f5f8 100%);
  --blob-1: rgba(70, 120, 220, 0.25);
  --blob-2: rgba(40, 90, 190, 0.20);
  --blob-3: rgba(100, 150, 240, 0.22);
  --blob-4: rgba(30, 70, 160, 0.18);

  --spotlight-core: rgba(226, 97, 10, 0.17);
  --spotlight-mid:  rgba(226, 97, 10, 0.06);

  --card-bg: linear-gradient(160deg, #FFFFFF 0%, #EDF0F6 100%);
  --card-border: rgba(15, 20, 40, 0.10);
  --card-text: #171A21;
  --card-sub: #525A68;
  --card-slot: rgba(15, 20, 40, 0.30);
  --strap-edge: #9e3f06;
  --strap-band: #E2610A;
  --strap-stitch: rgba(255, 255, 255, 0.6);
}

/* ---------- 2. BASE ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background 0.4s ease, color 0.4s ease;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
ol { list-style: none; }

/* ---------- 3. SPOTLIGHT (mengikuti kursor) ----------
   Dulu: z-index 0 (di BELAKANG <main>) sehingga tertutup background hero &
   section genap, ditambah alpha hanya 0.07 → praktis tak terlihat.
   Sekarang: berada DI ATAS konten (z-index 50) tapi di bawah navbar (100),
   pointer-events: none → tidak menghalangi klik. */
.spotlight {
  position: fixed;
  top: 0; left: 0;
  width: 620px; height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle,
    var(--spotlight-core) 0%,
    var(--spotlight-mid) 42%,
    transparent 70%);
  pointer-events: none;
  z-index: 50;
  opacity: 0;
  /* Offset -50% via margin, karena transform ditimpa JS dengan posisi kursor */
  margin: -310px 0 0 -310px;
  will-change: transform;
  transition: opacity 0.5s ease;
}

.spotlight.is-active { opacity: 1; }

main, .navbar, .footer { position: relative; z-index: 1; }

/* ---------- 4. NAVBAR ---------- */
.navbar {
  position: fixed;
  top: 16px; left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  width: min(92%, 760px);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  background: var(--navbar-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    0 8px 32px rgba(0, 0, 0, 0.45);
  transition: padding var(--transition), background var(--transition),
              box-shadow var(--transition);
}

/* Navbar memadat setelah scroll (class dipasang JS — Modul 6) */
.navbar.is-scrolled .navbar__inner {
  padding: 7px 16px;
  background: var(--navbar-bg-scrolled);
  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    0 10px 36px rgba(0, 0, 0, 0.6);
}

/* --- Aksi kanan navbar: bahasa + tema + hamburger --- */
.navbar__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 32px;
  padding: 0 10px;
  border-radius: var(--radius-pill);
  background: var(--chip-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition),
              background var(--transition), transform var(--transition);
}

.nav-chip:hover {
  color: var(--accent);
  border-color: rgba(255, 122, 24, 0.4);
  transform: translateY(-1px);
}

.nav-chip__icon { width: 16px; height: 16px; }

/* Dark mode → tampilkan ikon matahari; Light mode → bulan */
.nav-chip__icon--moon { display: none; }
:root[data-theme="light"] .nav-chip__icon--sun { display: none; }
:root[data-theme="light"] .nav-chip__icon--moon { display: block; }

.navbar__brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

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

.navbar__links { display: flex; gap: 4px; }

.navbar__link {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  transition: color var(--transition), background var(--transition);
}

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

.navbar__link.is-active {
  color: var(--text-primary);
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 1px rgba(255, 122, 24, 0.25);
}

.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.navbar__toggle span {
  width: 22px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ---------- 5. HERO ---------- */
.hero {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  padding: 120px 24px 80px;
  overflow: hidden;
  background: var(--hero-bg);
}

/* --- Ambient "lava lamp" hitam–biru tua (khusus Home) --- */
.hero__ambient {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.hero__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  will-change: transform;
  transform: translate3d(0, 0, 0);
}

.hero__blob--1 {
  width: 48vmax; height: 48vmax;
  left: -14%; top: -18%;
  background: radial-gradient(circle at 35% 35%, var(--blob-1), transparent 70%);
  animation: lavaDrift1 26s ease-in-out infinite alternate;
}

.hero__blob--2 {
  width: 40vmax; height: 40vmax;
  right: -12%; top: 5%;
  background: radial-gradient(circle at 60% 40%, var(--blob-2), transparent 70%);
  animation: lavaDrift2 32s ease-in-out infinite alternate;
}

.hero__blob--3 {
  width: 44vmax; height: 44vmax;
  left: 10%; bottom: -25%;
  background: radial-gradient(circle at 50% 50%, var(--blob-3), transparent 70%);
  animation: lavaDrift3 38s ease-in-out infinite alternate;
}

.hero__blob--4 {
  width: 30vmax; height: 30vmax;
  right: 15%; bottom: -8%;
  background: radial-gradient(circle at 45% 55%, var(--blob-4), transparent 70%);
  animation: lavaDrift4 22s ease-in-out infinite alternate;
}

@keyframes lavaDrift1 {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  50%  { transform: translate3d(10vw, 14vh, 0) scale(1.2); }
  100% { transform: translate3d(4vw, 26vh, 0) scale(0.95); }
}

@keyframes lavaDrift2 {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  50%  { transform: translate3d(-12vw, 18vh, 0) scale(1.25); }
  100% { transform: translate3d(-5vw, 4vh, 0) scale(1.05); }
}

@keyframes lavaDrift3 {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  50%  { transform: translate3d(14vw, -16vh, 0) scale(1.15); }
  100% { transform: translate3d(-6vw, -4vh, 0) scale(0.9); }
}

@keyframes lavaDrift4 {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  50%  { transform: translate3d(-10vw, -20vh, 0) scale(1.3); }
  100% { transform: translate3d(6vw, -8vh, 0) scale(1); }
}

.hero__glow {
  position: absolute;
  top: 12%; left: 50%;
  transform: translateX(-50%);
  width: 640px; height: 640px;
  background: radial-gradient(circle,
    rgba(255, 122, 24, 0.14) 0%,
    rgba(255, 122, 24, 0.05) 40%,
    transparent 70%);
  pointer-events: none;
  filter: blur(20px);
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 6.5vw, 4.8rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.hero__name {
  display: block;
  background: linear-gradient(100deg, #FFFFFF 10%, #FFB169 55%, var(--accent) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 24px rgba(255, 122, 24, 0.35));
}

/* Light mode: gradien nama dimulai dari warna gelap agar tetap terbaca */
:root[data-theme="light"] .hero__name {
  background: linear-gradient(100deg, #171A21 10%, #B4530B 55%, var(--accent) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  filter: drop-shadow(0 0 20px rgba(226, 97, 10, 0.25));
}

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

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 540px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 8px;
}

.hero__scroll {
  position: absolute;
  bottom: 5px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: color var(--transition);
}

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

.hero__scroll-mouse {
  width: 24px; height: 38px;
  border: 1.5px solid currentColor;
  border-radius: 14px;
  display: flex;
  justify-content: center;
  padding-top: 7px;
}

.hero__scroll-mouse span {
  width: 3px; height: 7px;
  border-radius: 2px;
  background: currentColor;
  animation: scrollWheel 1.8s ease-in-out infinite;
}

@keyframes scrollWheel {
  0%   { transform: translateY(0);    opacity: 1; }
  70%  { transform: translateY(10px); opacity: 0; }
  100% { transform: translateY(0);    opacity: 0; }
}

/* ---------- 6. LANYARD BADGE (kokarde interaktif) ----------
   Kartu portrait + tali yang tergantung dari tepi atas halaman (tembus ke
   belakang navbar). Posisi tiap frame dihitung JS (fisika Verlet) — CSS hanya
   mengatur ukuran & tampilan. Layer ada DI DALAM #hero → hanya muncul di beranda. */
.hero {
  --badge-w: clamp(160px, 44vw, 184px);        /* lebar kartu */
  --badge-h: calc(var(--badge-w) * 1.6);       /* rasio portrait kartu ID */
  --rope: 120px;                               /* jarak titik gantung → atas kartu */
}

.lanyard {
  position: absolute;
  inset: 0;
  z-index: 2;                  /* di atas teks hero (1), di bawah navbar (100) */
  pointer-events: none;        /* hanya kartu yang menangkap mouse */
  opacity: 0;
  transition: opacity 0.9s ease 0.1s;
}

.lanyard.is-ready { opacity: 1; }

/* Titik gantung tak terlihat: JS membaca posisi (left) & panjang tali (height) darinya */
.lanyard__anchor {
  position: absolute;
  top: 0; left: 50%;
  width: 0; height: var(--rope);
  visibility: hidden;
}

/* --- Tali --- */
.lanyard__strap {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  overflow: visible;
}

.lanyard__strap path { fill: none; stroke-linejoin: round; stroke-linecap: butt; }
.lanyard__edge   { stroke: var(--strap-edge);   stroke-width: 22px; }
.lanyard__band   { stroke: var(--strap-band);   stroke-width: 18px; }
.lanyard__stitch { stroke: var(--strap-stitch); stroke-width: 1.6px; stroke-dasharray: 7 6; }

/* --- Kartu --- */
.lanyard__card {
  position: absolute;
  top: 0; left: 0;
  width: var(--badge-w);
  height: var(--badge-h);
  font-size: calc(var(--badge-w) / 15);        /* semua ukuran dalam em → skala otomatis */
  transform-origin: 50% 0;                     /* berputar dari titik klip */
  will-change: transform;
  pointer-events: auto;
  cursor: grab;
  touch-action: none;                          /* seret di layar sentuh tidak men-scroll halaman */
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.lanyard__card.is-dragging { cursor: grabbing; }

.lanyard__face {
  position: relative;
  width: 100%; height: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.5em;
  padding: 0.85em 1em 1em;
  border-radius: 1.3em;
  overflow: hidden;
  color: var(--card-text);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    0 0 0 1px rgba(255, 122, 24, 0.22),
    0 0.9em 2.4em rgba(0, 0, 0, 0.38);
  will-change: transform;
}

/* Garis aksen di tepi atas kartu */
.lanyard__face::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 0.35em;
  background: linear-gradient(90deg, var(--accent), #FFB169);
}

/* Lubang tempat klip */
.lanyard__slot {
  align-self: center;
  flex: none;
  width: 3.4em; height: 0.6em;
  margin-top: 0.2em;
  border-radius: 1em;
  background: var(--card-slot);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.55);
}

.lanyard__tag {
  flex: none;
  text-align: center;
  font-size: 0.66em;
  font-weight: 600;
  color: var(--accent);
}

.lanyard__photo {
  flex: none;
  aspect-ratio: 1 / 1.02;
  border-radius: 0.9em;
  overflow: hidden;
  background: var(--media-bg);
  border: 1px solid var(--card-border);
}

.lanyard__photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.lanyard__name {
  margin-top: 0.2em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.28em;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.lanyard__role {
  margin-top: -0.2em;
  font-size: 0.8em;
  color: var(--card-sub);
}

.lanyard__barcode {
  margin-top: auto;
  flex: none;
  height: 1.7em;
  border-radius: 2px;
  opacity: 0.5;
  background: repeating-linear-gradient(90deg,
    var(--card-text) 0 2px,   transparent 2px 4px,
    var(--card-text) 4px 5px, transparent 5px 8px,
    var(--card-text) 8px 11px, transparent 11px 13px,
    var(--card-text) 13px 14px, transparent 14px 17px);
}

/* Kilau yang bergeser mengikuti gerak kartu (--shine-x/y diisi JS) */
.lanyard__shine {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    circle at var(--shine-x, 30%) var(--shine-y, 20%),
    rgba(255, 255, 255, 0.22) 0%,
    rgba(255, 255, 255, 0.06) 32%,
    transparent 62%
  );
}

/* Klip logam: ujung bawahnya menembus lubang kartu, ujung atasnya menjepit tali */
.lanyard__clip {
  position: absolute;
  top: -2.1em; left: 50%;
  width: 1.9em; height: 3.7em;
  transform: translateX(-50%);
  border-radius: 0.6em 0.6em 0.4em 0.4em;
  background: linear-gradient(90deg, #6f747d 0%, #f1f3f7 34%, #a9aeb8 62%, #565b64 100%);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.45), inset 0 0 0 1px rgba(0, 0, 0, 0.22);
}

.lanyard__clip::after {
  content: "";
  position: absolute;
  top: 0.6em; left: 50%;
  width: 0.7em; height: 1.2em;
  transform: translateX(-50%);
  border-radius: 0.4em;
  background: rgba(0, 0, 0, 0.4);
}

/* Petunjuk kecil di bawah kartu; hilang setelah kartu pertama kali diseret */
.lanyard__hint {
  position: absolute;
  margin: 0;
  transform: translateX(-50%);
  font-size: 0.82rem;
  color: var(--text-secondary);
  white-space: nowrap;
  transition: opacity 0.5s ease;
}

.lanyard__hint.is-hidden { opacity: 0; }

/* --- Tata letak hero: HP/tablet = kartu di atas, teks di bawah (rata tengah) --- */
@media (max-width: 899px) {
  .lanyard__edge   { stroke-width: 19px; }
  .lanyard__band   { stroke-width: 15px; }

  .hero__content {
    /* sisakan ruang untuk tali + kartu (padding-top hero 110–120px sudah terhitung) */
    margin-top: calc(var(--rope) + var(--badge-h) - 40px);
  }
}

/* --- Desktop: teks ke kiri, kokarde menggantung di kanan --- */
@media (min-width: 900px) {
  .hero {
    --badge-w: clamp(190px, 17vw, 232px);
    --rope: clamp(150px, 24vh, 230px);
    text-align: left;
  }

  /* Titik gantung = 78% lebar kontainer 1080px (selalu berada di bawah navbar) */
  .lanyard__anchor { left: calc(50% + 0.28 * min(92%, 1080px)); }

  .hero__content {
    align-self: center;
    width: min(92%, 1080px);
    max-width: none;
    align-items: flex-start;
    padding-right: 44%;          /* ruang untuk kokarde */
  }

  .hero__title { font-size: clamp(2.6rem, 5vw, 4.4rem); }
  .hero__actions { justify-content: flex-start; }
}

/* ---------- 7. BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 28px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition),
              background var(--transition), border-color var(--transition);
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent), #E2610A);
  color: #0c0c0c;
  box-shadow: 0 0 24px rgba(255, 122, 24, 0.35);
}

.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 40px rgba(255, 122, 24, 0.55);
}

.btn--ghost {
  background: var(--glass-bg);
  border-color: var(--glass-border);
  color: var(--text-primary);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: inset 0 1px 0 var(--glass-highlight);
}

.btn--ghost:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 122, 24, 0.4);
  background: var(--accent-soft);
}

/* ---------- 8. SECTIONS & COMPONENTS ---------- */
.container {
  width: min(92%, 1080px);
  margin-inline: auto;
}

.container--narrow { max-width: 720px; }

.section {
  padding: 110px 0;
  position: relative;
}

.section:nth-of-type(even) { background: var(--bg-secondary); }

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

.section-header { margin-bottom: 48px; text-align: center; }

.section-header__label {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-header__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  letter-spacing: -0.02em;
}

.section-header__desc {
  color: var(--text-secondary);
  margin-top: 10px;
  max-width: 480px;
  margin-inline: auto;
}

.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    0 12px 36px rgba(0, 0, 0, 0.35);
  transition: transform var(--transition), box-shadow var(--transition),
              border-color var(--transition);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  color: var(--text-primary);
  background: var(--chip-bg);
  border: 1px solid var(--glass-border);
}

.chip--sm { padding: 4px 12px; font-size: 0.75rem; color: var(--text-secondary); }

/* --- About --- */
.about__card {
  padding: clamp(28px, 5vw, 48px);
  text-align: center;
}

.about__lead {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  margin-bottom: 16px;
}

.about__lead strong { color: var(--accent); font-weight: 600; }

.about__text {
  color: var(--text-secondary);
  max-width: 640px;
  margin-inline: auto;
}

.about__chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
}

/* --- Skills --- */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}

.skill-card {
  padding: 28px 24px;
  text-align: left;
}

.skill-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 122, 24, 0.35);
  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    0 0 32px rgba(255, 122, 24, 0.12),
    0 16px 40px rgba(0, 0, 0, 0.4);
}

.skill-card__icon {
  width: 48px; height: 48px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(255, 122, 24, 0.25);
  margin-bottom: 18px;
}

.skill-card__icon svg { width: 24px; height: 24px; }

.skill-card__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.skill-card__desc { color: var(--text-secondary); font-size: 0.88rem; }

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

.project-card { overflow: hidden; }

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 122, 24, 0.35);
  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    0 0 32px rgba(255, 122, 24, 0.12),
    0 16px 40px rgba(0, 0, 0, 0.4);
}

.project-card__media {
  aspect-ratio: 16 / 9;
  background: var(--media-bg);
  display: grid;
  place-items: center;
  border-bottom: 1px solid var(--glass-border);
}

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

.project-card__media-placeholder { color: var(--media-ph); }

.project-card__body { padding: 22px; }

.project-card__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.project-card__desc {
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin-bottom: 16px;
}

.project-card__tags { display: flex; flex-wrap: wrap; gap: 8px; }

.project-card--soon { opacity: 0.65; }
.project-card--soon:hover { opacity: 1; }

/* --- Education timeline --- */
.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom,
    var(--accent),
    rgba(255, 122, 24, 0.1));
}

.timeline__item { position: relative; padding-bottom: 28px; }
.timeline__item:last-child { padding-bottom: 0; }

.timeline__node {
  position: absolute;
  left: -32px; top: 8px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 2px solid var(--accent);
  box-shadow: 0 0 14px rgba(255, 122, 24, 0.6);
}

.timeline__card { padding: 22px 26px; }

.timeline__card:hover {
  transform: translateX(6px);
  border-color: rgba(255, 122, 24, 0.35);
}

.timeline__period {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}

.timeline__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 6px 0 4px;
}

.timeline__desc { color: var(--text-secondary); font-size: 0.88rem; }

/* --- Contact --- */
.contact__card {
  padding: clamp(32px, 6vw, 56px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.contact__email { font-size: 1rem; }

.contact__socials { display: flex; gap: 14px; }

.social-link {
  width: 48px; height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--text-secondary);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: color var(--transition), transform var(--transition),
              border-color var(--transition), box-shadow var(--transition);
}

.social-link svg { width: 20px; height: 20px; }

.social-link:hover {
  color: var(--accent);
  transform: translateY(-4px);
  border-color: rgba(255, 122, 24, 0.4);
  box-shadow: 0 0 20px rgba(255, 122, 24, 0.2);
}

/* --- Footer --- */
.footer {
  padding: 36px 24px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.8rem;
  border-top: 1px solid var(--glass-border);
}

/* ---------- 9. SCROLL REVEAL ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Stagger: elemen muncul bergiliran */
.reveal[data-reveal-delay="1"] { transition-delay: 0.1s; }
.reveal[data-reveal-delay="2"] { transition-delay: 0.2s; }
.reveal[data-reveal-delay="3"] { transition-delay: 0.3s; }
.reveal[data-reveal-delay="4"] { transition-delay: 0.4s; }
.reveal[data-reveal-delay="5"] { transition-delay: 0.5s; }

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}


/* ---------- 10. RESPONSIVE & MOTION ---------- */
@media (max-width: 720px) {
  .navbar__toggle { display: flex; }

  /*
    FIX BUG MOBILE: backdrop-filter TIDAK berfungsi pada elemen
    yang berada DI DALAM elemen lain yang juga punya backdrop-filter
    (panel menu ada di dalam .navbar__inner yang di-blur).
    Solusi: di mobile, navbar pakai background solid tanpa blur,
    sehingga blur liquid-glass panel menu bekerja normal.
  */
  .navbar__inner {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: var(--navbar-bg-solid);
  }

  .navbar.is-scrolled .navbar__inner {
    background: var(--navbar-bg-solid);
  }

  .navbar__links {
    position: absolute;
    top: calc(100% + 10px);
    left: 0; right: 0;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px;
    border-radius: var(--radius-lg);
    background: var(--menu-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px) saturate(140%);
    -webkit-backdrop-filter: blur(20px) saturate(140%);
    box-shadow:
      inset 0 1px 0 var(--glass-highlight),
      0 16px 48px rgba(0, 0, 0, 0.45);
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    visibility: hidden;
    transition: opacity var(--transition), transform var(--transition),
                visibility var(--transition);
  }

  .navbar__links.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    visibility: visible;
  }

  .navbar__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .navbar__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .navbar__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero { padding-top: 110px; }
  .hero__actions { width: 100%; }
  .btn { justify-content: center; flex: 1 1 auto; }

  .section { padding: 80px 0; }
}

/* Spotlight tidak relevan di perangkat tanpa mouse (HP/tablet).
   Dulu memakai max-width: 720px sehingga jendela desktop yang sempit
   ikut kehilangan efeknya. */
@media (hover: none), (pointer: coarse) {
  .spotlight { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__scroll-mouse span, .hero__blob { animation: none; }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  * { transition-duration: 0.01ms !important; }
}

/* ---------- 11. TRANSISI GANTI TEMA ----------
   Jalur utama: View Transitions API → seluruh halaman (termasuk gradien &
   blob hero yang tidak bisa di-transition oleh CSS biasa) cross-fade halus.
   JS memasang class .theme-vt selama transisi berlangsung. */
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 0.6s;
  animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Matikan transition per-elemen selama cross-fade agar tidak "dobel animasi" */
html.theme-vt,
html.theme-vt *,
html.theme-vt *::before,
html.theme-vt *::after {
  transition: none !important;
}

/* Cadangan untuk browser tanpa View Transitions: warna di-transition manual.
   JS memasang class .theme-fade sekitar 0.6 detik saja. */
html.theme-fade,
html.theme-fade *,
html.theme-fade *::before,
html.theme-fade *::after {
  transition: background-color 0.5s ease, color 0.5s ease,
              border-color 0.5s ease, box-shadow 0.5s ease,
              fill 0.5s ease, stroke 0.5s ease !important;
}