/* ============================================================
   PORTOFOLIO — ALIF DIAZ
   Tema: gradasi ungu gelap ke hitam, aksen ungu neon
   ============================================================ */

:root {
  --hitam: #07050c;
  --ungu-gelap: #17081f;
  --ungu-tua: #3b0f5c;
  --ungu-mid: #6d28d9;
  --ungu-neon: #b453ff;
  --ungu-neon-terang: #d896ff;
  --teks-utama: #f1e9ff;
  --teks-redup: #9d8fb5;
  --garis: rgba(180, 83, 255, 0.18);

  --font-display: "Sora", "Segoe UI", sans-serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "Courier New", monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--hitam);
  color: var(--teks-utama);
  font-family: var(--font-body);
  overflow-x: hidden;
  line-height: 1.6;
  touch-action: pan-y;
}

* {
  -webkit-tap-highlight-color: transparent;
}

::selection {
  background: var(--ungu-neon);
  color: var(--hitam);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
.btn:focus-visible,
.btn:active {
  outline: none;
  box-shadow: 0 0 0 3px rgba(180, 83, 255, 0.35), 0 0 22px rgba(180, 83, 255, 0.55);
  border-radius: inherit;
}

/* ---------- Latar aurora ---------- */
.aurora {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 60% 40% at 20% 15%, rgba(109, 40, 217, 0.35), transparent 60%),
    radial-gradient(ellipse 50% 35% at 85% 70%, rgba(180, 83, 255, 0.25), transparent 60%),
    radial-gradient(ellipse 70% 50% at 50% 100%, rgba(59, 15, 92, 0.4), transparent 60%),
    var(--hitam);
  animation: aurora-drift 18s ease-in-out infinite alternate;
}

@keyframes aurora-drift {
  0%   { filter: hue-rotate(0deg) brightness(1); }
  100% { filter: hue-rotate(18deg) brightness(1.08); }
}

@media (prefers-reduced-motion: reduce) {
  .aurora { animation: none; }
}

/* ---------- Navigasi ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem 6vw;
  backdrop-filter: blur(10px);
  background: rgba(7, 5, 12, 0.55);
  border-bottom: 1px solid var(--garis);
}

.nav__logo {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--ungu-neon-terang);
  letter-spacing: 0.05em;
}

.nav__logo span {
  color: var(--teks-redup);
}

.nav__menu {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav__menu a {
  color: var(--teks-redup);
  text-decoration: none;
  font-size: 0.9rem;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  transition: color 0.25s ease;
  position: relative;
}

.nav__menu a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0%;
  height: 1px;
  background: var(--ungu-neon-terang);
  transition: width 0.3s ease;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 60;
}

.hamburger span {
  width: 100%;
  height: 2px;
  background: var(--teks-utama);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease, background 0.3s ease;
}

.hamburger.aktif span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  background: var(--ungu-neon-terang);
}

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

.hamburger.aktif span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  background: var(--ungu-neon-terang);
}

.sidebar-overlay {
  position: fixed;
  inset: 0;
  z-index: 55;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(2px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.sidebar-overlay.terbuka {
  opacity: 1;
  visibility: visible;
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 58;
  width: min(280px, 78vw);
  padding: 5.5rem 1rem 1.5rem;
  background: linear-gradient(180deg, var(--hitam), var(--ungu-gelap));
  border-right: 1px solid var(--garis);
  transform: translateX(-100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}

.sidebar.terbuka {
  transform: translateX(0);
}

.sidebar__kartu {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sidebar__judul {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--ungu-neon-terang);
  padding: 0 0.6rem 1.2rem;
  border-bottom: 1px solid var(--garis);
  margin-bottom: 0.8rem;
}

.sidebar__judul span {
  color: var(--teks-redup);
}

.sidebar__menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.sidebar__menu a {
  display: block;
  padding: 0.85rem 1.1rem;
  border-radius: 100px;
  color: var(--teks-redup);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.sidebar__menu a:hover {
  background: rgba(180, 83, 255, 0.12);
  color: var(--teks-utama);
}

.sidebar__menu a:active,
.sidebar__menu a:focus-visible {
  background: linear-gradient(90deg, var(--ungu-mid), var(--ungu-neon-terang));
  color: var(--hitam);
  outline: none;
  box-shadow: 0 0 18px rgba(180, 83, 255, 0.5);
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
  .nav__menu {
    display: none;
  }
  .nav {
    justify-content: flex-start;
    gap: 1.2rem;
  }
}

.nav__menu a:hover {
  color: var(--teks-utama);
}

.nav__menu a:hover::after {
  width: 100%;
}

/* ---------- Struktur umum section ---------- */
section {
  position: relative;
  z-index: 1;
  padding: 8rem 6vw;
  max-width: 1100px;
  margin: 0 auto;
  scroll-margin-top: 5.5rem;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ungu-neon);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
  display: inline-block;
}

.eyebrow::before {
  content: "// ";
  color: var(--teks-redup);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* ---------- Reveal saat scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 6rem;
}

.hero__status {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--teks-redup);
  border: 1px solid var(--garis);
  padding: 0.5rem 1rem;
  border-radius: 100px;
  width: fit-content;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ungu-neon-terang);
  box-shadow: 0 0 10px var(--ungu-neon-terang);
  animation: pulse 2s ease-in-out infinite;
}

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

.hero__title {
  font-size: clamp(2.6rem, 7vw, 5.2rem);
  line-height: 1.05;
  color: var(--teks-utama);
}

.hero__title .cursor {
  display: inline-block;
  width: 0.5ch;
  background: var(--ungu-neon-terang);
  animation: blink 1s step-end infinite;
  margin-left: 4px;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.gradient-text {
  background: linear-gradient(100deg, var(--ungu-neon-terang), var(--ungu-mid) 60%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__desc {
  margin-top: 1.6rem;
  max-width: 46ch;
  color: var(--teks-redup);
  font-size: 1.05rem;
}

.hero__scroll {
  margin-top: 4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--teks-redup);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.hero__scroll::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--teks-redup);
}

/* ---------- Tentang ---------- */
.tentang__grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 3rem;
  align-items: start;
}

.tentang__id {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--teks-redup);
  border-left: 2px solid var(--ungu-mid);
  padding-left: 1.2rem;
  line-height: 2;
  white-space: nowrap;
}

.tentang__id b {
  color: var(--ungu-neon-terang);
  font-weight: 500;
}

.tentang__teks p {
  color: var(--teks-redup);
  max-width: 55ch;
  margin-bottom: 1rem;
}

.tentang__teks strong {
  color: var(--teks-utama);
  font-weight: 600;
}

@media (max-width: 640px) {
  .tentang__grid { grid-template-columns: 1fr; }
  .tentang__id { border-left: none; border-top: 2px solid var(--ungu-mid); padding-left: 0; padding-top: 1rem; }
}

/* ---------- Skill ---------- */
.skill__list {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.skill__item .skill__head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.skill__item .skill__head .persen {
  color: var(--ungu-neon-terang);
}

.skill__bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 100px;
  overflow: hidden;
}

.skill__fill {
  height: 100%;
  width: 0%;
  border-radius: 100px;
  background: linear-gradient(90deg, var(--ungu-mid), var(--ungu-neon-terang));
  box-shadow: 0 0 12px var(--ungu-neon);
  transition: width 1.1s cubic-bezier(0.16, 1, 0.3, 1);
}

.skill__note {
  margin-top: 2.5rem;
  font-size: 0.9rem;
  color: var(--teks-redup);
  font-family: var(--font-mono);
}

/* ---------- Proyek ---------- */
.proyek__grid {
  margin-top: 3rem;
  display: grid;
  gap: 1.8rem;
}

.kartu-proyek {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  border: 1px solid var(--garis);
  border-radius: 18px;
  padding: 1.6rem;
  background: linear-gradient(160deg, rgba(180, 83, 255, 0.05), transparent 60%);
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.kartu-proyek:hover {
  border-color: var(--ungu-neon);
  transform: translateY(-4px);
}

.kartu-proyek__gambar {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--ungu-gelap), var(--ungu-tua));
  display: block;
}

.kartu-proyek__fallback {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  color: var(--teks-redup);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  transition: color 0.25s ease;
}

.kartu-proyek__gambar:hover .kartu-proyek__fallback {
  color: var(--ungu-neon-terang);
}

.kartu-proyek__inisial {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid var(--garis);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--ungu-neon-terang);
}

.kartu-proyek__gambar .preview-frame {
  position: absolute;
  top: 0;
  left: 0;
  width: 400%;
  height: 400%;
  border: 0;
  transform: scale(0.25);
  transform-origin: top left;
  pointer-events: none;
  background: #fff;
}

body.kunci-scroll {
  overflow: hidden;
  height: 100vh;
}

/* ---------- Gerbang loading ---------- */
.gerbang {
  position: fixed;
  inset: 0;
  z-index: 999;
}

.gerbang.selesai {
  display: none;
}

.gerbang__separuh {
  position: absolute;
  left: 0;
  right: 0;
  height: 50%;
  background: var(--ungu-gelap);
  transition: transform 0.9s cubic-bezier(0.76, 0, 0.24, 1);
}

.gerbang__separuh--atas {
  top: 0;
}

.gerbang__separuh--bawah {
  bottom: 0;
}

.gerbang.terbuka .gerbang__separuh--atas {
  transform: translateY(-100%);
}

.gerbang.terbuka .gerbang__separuh--bawah {
  transform: translateY(100%);
}

.gerbang__konten {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.35s ease;
}

.gerbang.terbuka .gerbang__konten {
  opacity: 0;
  pointer-events: none;
}

.gerbang__kartu {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.3rem;
  padding: 2.2rem 2.4rem;
  border: 1px solid var(--garis);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(6px);
}

.gerbang__label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--teks-redup);
  text-align: center;
}

.gerbang__error {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #f87171;
  text-align: center;
  max-width: 260px;
}

@media (prefers-reduced-motion: reduce) {
  .gerbang__separuh { transition: none; }
}

/* ---------- Spinner kecil ---------- */
.spinner--kecil {
  width: 14px;
  height: 14px;
  border-width: 2px;
  display: inline-block;
  vertical-align: -2px;
  margin-right: 6px;
}

.form-kontak button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

/* ---------- Status form ---------- */
.status-form {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  min-height: 1.3em;
}

.status-form--sukses {
  color: #4ade80;
}

.status-form--gagal {
  color: #f87171;
}

/* ---------- Spinner loading ---------- */
.spinner-wrap {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--ungu-gelap), var(--ungu-tua));
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.spinner-wrap.hilang {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.spinner {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 2px solid rgba(180, 83, 255, 0.15);
  border-top-color: var(--ungu-neon-terang);
  animation: putar 0.8s linear infinite;
}

@keyframes putar {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .spinner { animation-duration: 1.6s; }
}

.kartu-proyek__status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: #4ade80;
  border: 1px solid rgba(74, 222, 128, 0.3);
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  width: fit-content;
  margin-bottom: 0.8rem;
}

.kartu-proyek__judul {
  font-size: 1.5rem;
  margin-bottom: 0.6rem;
}

.kartu-proyek__judul a {
  color: var(--teks-utama);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, color 0.25s ease;
}

.kartu-proyek__judul a:hover {
  color: var(--ungu-neon-terang);
  border-color: var(--ungu-neon-terang);
}

.kartu-proyek__desc {
  color: var(--teks-redup);
  font-size: 0.95rem;
  margin-bottom: 1.1rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ungu-neon-terang);
  border: 1px solid var(--garis);
  padding: 0.25rem 0.7rem;
  border-radius: 100px;
}

@media (max-width: 700px) {
  .kartu-proyek { grid-template-columns: 1fr; }
}

/* ---------- Ulasan ---------- */
.ulasan-track {
  display: flex;
  gap: 1.4rem;
  overflow-x: auto;
  cursor: grab;
  padding-bottom: 0.5rem;
  touch-action: pan-x;
  scroll-behavior: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.ulasan-track::-webkit-scrollbar {
  display: none;
}

.ulasan-track.menggeser {
  cursor: grabbing;
}

.kartu-ulasan {
  flex: 0 0 auto;
  width: min(340px, 80vw);
  padding: 1.8rem;
  border: 1px solid var(--garis);
  border-radius: 16px;
  background: linear-gradient(160deg, rgba(180, 83, 255, 0.05), transparent 60%);
  user-select: none;
}

.kartu-ulasan__bintang {
  color: var(--ungu-neon-terang);
  letter-spacing: 0.1em;
  margin-bottom: 0.9rem;
}

.kartu-ulasan__teks {
  color: var(--teks-utama);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.4rem;
}

.kartu-ulasan__nama {
  font-weight: 600;
  color: var(--teks-utama);
  font-size: 0.9rem;
}

.kartu-ulasan__peran {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--teks-redup);
  margin-top: 0.2rem;
}

/* ---------- Form ulasan ---------- */
.form-ulasan {
  margin-top: 2.4rem;
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.8rem;
  border: 1px solid var(--garis);
  border-radius: 18px;
  background: linear-gradient(160deg, rgba(180, 83, 255, 0.05), transparent 60%);
}

.form-ulasan__judul {
  font-size: 0.95rem;
  color: var(--teks-utama);
}

.form-ulasan__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 560px) {
  .form-ulasan__grid { grid-template-columns: 1fr; }
}

.form-ulasan input,
.form-ulasan textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--teks-utama);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--garis);
  border-radius: 10px;
  padding: 0.75rem 0.9rem;
  resize: vertical;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.form-ulasan input:focus,
.form-ulasan textarea:focus {
  outline: none;
  border-color: var(--ungu-neon);
  background: rgba(180, 83, 255, 0.08);
}

.form-ulasan .btn {
  border: none;
  cursor: pointer;
  align-self: flex-start;
}

.jebakan {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.bintang-input {
  display: flex;
  gap: 0.3rem;
  font-size: 1.6rem;
}

.bintang-input .bintang {
  background: none;
  border: none;
  cursor: pointer;
  color: rgba(255, 255, 255, 0.15);
  transition: color 0.15s ease, transform 0.15s ease;
  line-height: 1;
  padding: 0;
}

.bintang-input .bintang:hover {
  transform: scale(1.15);
}

.bintang-input .bintang.aktif {
  color: var(--ungu-neon-terang);
}

/* ---------- Kontak ---------- */
.kontak {
  text-align: center;
}

.kontak__title {
  font-size: clamp(2rem, 5vw, 3.2rem);
}

.kontak__desc {
  color: var(--teks-redup);
  margin: 1.2rem auto 0;
  max-width: 46ch;
}

.kontak__grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  text-align: left;
}

@media (max-width: 800px) {
  .kontak__grid {
    grid-template-columns: 1fr;
  }
}

.form-kontak {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  border: 1px solid var(--garis);
  border-radius: 18px;
  padding: 1.8rem;
  background: linear-gradient(160deg, rgba(180, 83, 255, 0.05), transparent 60%);
}

.form-kontak label {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--teks-redup);
}

.form-kontak input,
.form-kontak textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--teks-utama);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--garis);
  border-radius: 10px;
  padding: 0.75rem 0.9rem;
  resize: vertical;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.form-kontak input:focus,
.form-kontak textarea:focus {
  outline: none;
  border-color: var(--ungu-neon);
  background: rgba(180, 83, 255, 0.08);
}

.form-kontak input::placeholder,
.form-kontak textarea::placeholder {
  color: rgba(157, 143, 181, 0.6);
}

.form-kontak .btn {
  border: none;
  cursor: pointer;
  align-self: flex-start;
}

.peta {
  position: relative;
  min-height: 260px;
  border: 1px solid var(--garis);
  border-radius: 18px;
  overflow: hidden;
}

.peta iframe {
  width: 100%;
  height: 100%;
  min-height: 260px;
  filter: invert(90%) hue-rotate(180deg) brightness(0.95) contrast(90%) saturate(130%);
}

.peta::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(160deg, rgba(59, 15, 92, 0.35), rgba(180, 83, 255, 0.2));
  mix-blend-mode: color;
  pointer-events: none;
}

.peta__label {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--teks-utama);
  background: rgba(7, 5, 12, 0.75);
  border: 1px solid var(--garis);
  padding: 0.4rem 0.8rem;
  border-radius: 100px;
  backdrop-filter: blur(6px);
}

.kontak__tombol {
  margin-top: 2rem;
  display: inline-flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  justify-content: center;
  width: 100%;
}

.btn {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  text-decoration: none;
  padding: 0.9rem 1.8rem;
  border-radius: 100px;
  transition: all 0.3s ease;
}

.btn--utama {
  background: var(--ungu-neon-terang);
  color: var(--hitam);
  font-weight: 600;
  box-shadow: 0 0 20px rgba(180, 83, 255, 0.4);
}

.btn--utama:hover {
  box-shadow: 0 0 30px rgba(180, 83, 255, 0.7);
  transform: translateY(-2px);
}

.btn--kedua {
  border: 1px solid var(--garis);
  color: var(--teks-redup);
}

.btn--kedua:hover {
  color: var(--teks-utama);
  border-color: var(--ungu-neon);
}

/* ============================================================
   GRAFIK GARIS — trading style (merah turun, hijau naik)
   ============================================================ */

.grafik-garis {
  position: relative;
  width: 100%;
  min-height: 180px;
  padding: 6px 0;
}

.grafik-garis canvas {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 8px;
  background: rgba(7, 5, 12, 0.3);
  cursor: default;
  touch-action: none;
}

.grafik-garis__labels {
  display: flex;
  justify-content: space-between;
  margin-top: 4px;
  padding: 0 4px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--teks-redup);
}

.grafik-garis__legend {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  margin-top: 6px;
  padding-right: 4px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--teks-redup);
}

.grafik-garis__legend span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.grafik-garis__legend .dot-hijau {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.3);
}

.grafik-garis__legend .dot-merah {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #f87171;
  box-shadow: 0 0 8px rgba(248, 113, 113, 0.3);
}

.grafik-garis__tooltip {
  position: fixed;
  background: rgba(7, 5, 12, 0.92);
  border: 1px solid var(--garis);
  border-radius: 8px;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--teks-utama);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
  z-index: 10;
  backdrop-filter: blur(4px);
  transform: translate(-50%, -100%);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.grafik-garis__tooltip.terlihat {
  opacity: 1;
}

/* Responsif grafik garis */
@media (max-width: 480px) {
  .grafik-garis {
    min-height: 140px;
  }
  .grafik-garis__legend {
    font-size: 0.55rem;
    gap: 0.6rem;
  }
  .grafik-garis__labels {
    font-size: 0.5rem;
  }
  .grafik-garis__tooltip {
    font-size: 0.6rem;
    padding: 3px 8px;
  }
}

/* ---------- Statistik ---------- */
.kartu-statistik {
  margin-top: 3rem;
  padding: 1.8rem;
  border: 1px solid var(--garis);
  border-radius: 18px;
  background: linear-gradient(160deg, rgba(180, 83, 255, 0.05), transparent 60%);
  text-align: left;
}

.kartu-statistik__judul {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--teks-redup);
  margin-bottom: 1.2rem;
}

.titik-live {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 8px #4ade80;
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}

.titik-live.real-time-aktif {
  animation: pulse 1.1s ease-in-out infinite;
  box-shadow: 0 0 12px #4ade80;
}

footer {
  text-align: center;
  padding: 3rem 6vw 4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--teks-redup);
  position: relative;
  z-index: 1;
}

footer p {
  margin: 0;
}

.pengunjung {
  margin-top: 0.6rem !important;
  color: var(--ungu-neon-terang);
  opacity: 0.8;
}

@media (max-width: 640px) {
  section { padding: 5.5rem 6vw; }
  .nav__menu { gap: 1.1rem; }
  .nav__menu a { font-size: 0.78rem; }
}