:root {
  /* Color */
  --background: #F4F3EF;
  --surface: #FFFFFF;
  --surface-muted: #E9E8E3;
  --text-primary: #171717;
  --text-secondary: #66645F;
  --text-tertiary: #92908A;
  --border: #D8D6CF;
  --border-strong: #B7B4AB;
  --accent: #D94A3D;
  /* Typography */
  --font-display: "Inter Tight", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;
  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  /* Motion */
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --duration-fast: 160ms;
  --duration-normal: 260ms;
  /* Layout */
  --page-padding: clamp(20px, 4vw, 72px);
  --content-width: 1440px;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-body);
  background-color: var(--background);
  background-image: linear-gradient(rgba(0, 0, 0, .035) 1px, transparent 1px);
  background-size: 100% 32px;
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
}
button, input {
  font-family: inherit;
}
:focus-visible {
  outline: 2px solid var(--text-primary);
  outline-offset: 2px;
}
.wrap {
  max-width: var(--content-width);
  margin: 0 auto;
  padding-left: var(--page-padding);
  padding-right: var(--page-padding);
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
}
/* ---------- Hero ---------- */
.hero {
  padding-top: var(--space-8);
  padding-bottom: var(--space-7);
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  margin-bottom: var(--space-5);
}
.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 5.5vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.03em;
}
.hero-desc {
  max-width: 56ch;
  margin-left: auto;
  margin-right: auto;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.6;
  color: var(--text-secondary);
  margin-top: var(--space-5);
}
/* ---------- Toolbar (boxed / card) ---------- */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  margin-top: var(--space-7);
  margin-bottom: 0;
}
.filters {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.filter-btn {
  background: var(--surface-muted);
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-4);
  border-radius: 999px;
  transition: color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}
.filter-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}
.filter-btn.active {
  color: #fff;
  background: var(--text-primary);
}
.filter-sep {
  display: none;
}
.search {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 240px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: var(--space-2) var(--space-4);
  transition: border-color var(--duration-fast) var(--ease-out);
}
.search:focus-within {
  border-color: var(--text-primary);
}
.search svg {
  flex-shrink: 0;
  color: var(--text-tertiary);
}
.search label {
  display: none;
}
.search input {
  width: 100%;
  background: transparent;
  border: none;
  padding: var(--space-1) 0;
  font-size: 14px;
  color: var(--text-primary);
  outline: none;
}
.search input::placeholder {
  color: var(--text-tertiary);
}
/* ---------- Card Grid (ringkas, tampil saat filter "Semua") ---------- */
.card-grid {
  padding-top: var(--space-8);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-5);
}
.mini-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  transition: border-color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out);
}
.mini-card:hover {
  border-color: var(--border-strong);
  background: var(--surface-muted);
}
.mini-card-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}
.mini-card-number {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-tertiary);
  transition: color var(--duration-fast) var(--ease-out);
}
.mini-card:hover .mini-card-number {
  color: var(--accent);
}
.mini-card-category {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.mini-card-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: var(--space-3);
}
.mini-card-desc {
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-secondary);
  flex-grow: 1;
  margin-bottom: var(--space-4);
}
.mini-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}
.mini-card-tech {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
}
.mini-card-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.is-hidden {
  display: none !important;
}
/* ---------- Archive / Specimens (tampil saat filter kategori dipilih) ---------- */
.archive {
  padding-top: var(--space-8);
}
.specimen {
  padding-bottom: var(--space-9);
  margin-bottom: var(--space-9);
  border-bottom: 1px solid var(--border);
}
.specimen:last-child {
  border-bottom: none;
}
.specimen-head {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: var(--space-5);
  align-items: start;
  margin-bottom: var(--space-5);
}
.specimen-number {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-tertiary);
  padding-top: var(--space-2);
  transition: color var(--duration-fast) var(--ease-out);
}
.specimen:hover .specimen-number {
  color: var(--accent);
}
.specimen-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.specimen-category {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-top: var(--space-2);
}
/* Preview / browser frame */
.specimen-preview {
  margin-left: 0;
}
.specimen[data-featured="true"] .specimen-preview {
  margin-top: var(--space-6);
}
.browser-frame {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
}
.browser-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
  background: var(--surface-muted);
}
.browser-bar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-strong);
}
.browser-frame iframe {
  display: block;
  width: 100%;
  height: 460px;
  border: none;
  background: var(--surface);
}
.specimen[data-featured="true"] .browser-frame iframe {
  height: 620px;
}
/* Specimen footer: description + meta */
.specimen-footer {
  display: grid;
  grid-template-columns: 96px 1fr auto;
  gap: var(--space-5);
  align-items: start;
  margin-top: var(--space-5);
}
.specimen-desc {
  grid-column: 2;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 62ch;
}
.specimen-links {
  grid-column: 3;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-3);
  text-align: right;
}
.specimen-tech {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  margin-top: var(--space-4);
}
.link-primary {
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  position: relative;
}
.link-primary::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--text-primary);
  transform: scaleX(1);
  transform-origin: right;
  transition: transform var(--duration-normal) var(--ease-out);
}
.link-primary:hover::after {
  transform: scaleX(0.6);
}
.link-secondary {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}
.link-secondary:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}
/* Featured specimen gets a touch more air + larger description */
.specimen[data-featured="true"] .eyebrow-featured {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: var(--space-3);
}
.specimen[data-featured="true"] .specimen-desc {
  font-size: 17px;
  max-width: 68ch;
}
/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding-top: var(--space-6);
  padding-bottom: var(--space-8);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-6);
}
.site-footer .mark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.02em;
}
.site-footer .mark span {
  display: block;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin-top: var(--space-1);
}
.site-footer .colophon {
  max-width: 40ch;
  font-size: 14px;
  color: var(--text-secondary);
}
.site-footer .links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}
.site-footer .links a {
  text-decoration: none;
  color: var(--text-secondary);
  border-bottom: 1px solid transparent;
  transition: color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}
.site-footer .links a:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}
/* ---------- Empty state ---------- */
.empty-state {
  display: none;
  padding: var(--space-9) 0;
  text-align: center;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
}

/* ============================================================
   PHONE-FRAME GRID  (ALL-filter view)
   ============================================================ */
.phone-grid {
  padding-top: var(--space-8);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-7) var(--space-5);
  justify-items: center;
}

/* Individual phone card wrapper */
.phone-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  width: 100%;
  max-width: 260px;
}

/* The phone shell itself */
.phone-mockup {
  position: relative;
  width: 220px;
  height: 440px;
  border-radius: 36px;
  background: #1a1a1e;
  box-shadow:
    0 0 0 1.5px #3a3a42,
    0 0 0 3px #26262e,
    0 20px 60px rgba(0,0,0,.45),
    0 4px 16px rgba(0,0,0,.25);
  padding: 14px 10px;
  flex-shrink: 0;
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.phone-card:hover .phone-mockup {
  transform: translateY(-6px) scale(1.02);
  box-shadow:
    0 0 0 1.5px #4a4a55,
    0 0 0 3px #32323c,
    0 32px 72px rgba(0,0,0,.55),
    0 8px 24px rgba(0,0,0,.3);
}

/* Notch / Dynamic Island */
.phone-notch {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 70px;
  height: 20px;
  background: #1a1a1e;
  border-radius: 0 0 14px 14px;
  z-index: 10;
  /* subtle inner shadow to blend */
  box-shadow: inset 0 2px 4px rgba(0,0,0,.5);
}

/* Camera pill within notch */
.phone-notch::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 32px;
  height: 10px;
  background: #0d0d10;
  border-radius: 6px;
  box-shadow: 0 0 0 1px rgba(255,255,255,.06);
}

/* Side buttons */
.phone-mockup::before {
  content: '';
  position: absolute;
  right: -3px;
  top: 88px;
  width: 3px;
  height: 52px;
  background: #2e2e38;
  border-radius: 0 2px 2px 0;
  box-shadow: 0 64px 0 #2e2e38;
}
.phone-mockup::after {
  content: '';
  position: absolute;
  left: -3px;
  top: 72px;
  width: 3px;
  height: 30px;
  background: #2e2e38;
  border-radius: 2px 0 0 2px;
  box-shadow: 0 44px 0 #2e2e38, 0 88px 0 #2e2e38;
}

/* The screen area that clips the iframe */
.phone-screen {
  width: 100%;
  height: 100%;
  border-radius: 24px;
  overflow: hidden;
  background: #000;
  position: relative;
}

/* Iframe fills the screen at 390 wide, scaled down */
.phone-screen iframe {
  display: block;
  /* render as a real mobile viewport, then scale down to fit the phone frame */
  width: 390px;
  height: 844px;
  border: none;
  transform-origin: top left;
  transform: scale(calc(200 / 390)); /* 200 / 390 ≈ 0.513 — matches frame width exactly, no horizontal crop */
  -webkit-overflow-scrolling: touch;
}

/* Saat menu mobile navbar sedang otomatis dibuka oleh script (lihat script.js),
   beri sedikit highlight halus di tepi layar supaya jelas ini state "menu terbuka" */
.phone-screen.menu-open {
  box-shadow: inset 0 0 0 2px rgba(29, 78, 216, 0.35);
}

/* Meta below the phone */
.phone-meta {
  text-align: center;
}

.phone-meta-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.phone-meta-cat {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: var(--space-3);
}

.phone-meta-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .specimen-head {
    grid-template-columns: 48px 1fr;
  }
  .specimen-footer {
    grid-template-columns: 1fr;
    row-gap: var(--space-4);
  }
  .specimen-desc,
  .specimen-tech {
    grid-column: 1;
  }
  .specimen-links {
    grid-column: 1;
    align-items: flex-start;
    text-align: left;
    flex-direction: row;
    gap: var(--space-5);
  }
  .browser-frame iframe,
  .specimen[data-featured="true"] .browser-frame iframe {
    height: 320px;
  }
  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .search {
    width: 100%;
  }
  /* phone grid: 2 columns on tablet */
  .phone-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 520px) {
  /* phone grid: single column on small phones */
  .phone-grid {
    grid-template-columns: 1fr;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}