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

:root {
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden !important;
  width: 100% !important;
  max-width: 100vw !important;
}

/* Frosted Glass Sticky Navigation */
.glass-nav {
  background-color: rgba(255, 255, 255, 0.92) !important;
  backdrop-filter: blur(20px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
  border-bottom: 1px solid rgba(226, 232, 240, 0.85) !important;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.04);
}

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: var(--font-sans);
  color: #0f172a;
  background-color: #f8fafc;
  overflow-x: hidden !important;
  width: 100% !important;
  max-width: 100vw !important;
  position: relative !important;
  margin: 0 !important;
  padding: 0 !important;
  box-sizing: border-box !important;
  left: 0 !important;
  right: 0 !important;
}

/* Centered Content Container (single source of truth for page width) */
.tk-container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

/* Narrower variant for reading-focused blocks such as the FAQ list */
.tk-container-narrow {
  max-width: 880px;
}

@media (min-width: 640px) {
  .tk-container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .tk-container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* Floating Badges Animation */
@keyframes float-subtle {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-5px);
  }
}

@keyframes float-subtle-reverse {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(5px);
  }
}

.animate-float {
  animation: float-subtle 4.5s ease-in-out infinite;
}

.animate-float-reverse {
  animation: float-subtle-reverse 5.5s ease-in-out infinite;
}

/* Infinite Marquee Scrolling to the Right */
@keyframes marquee-right {
  0% {
    transform: translateX(-50%);
  }
  100% {
    transform: translateX(0%);
  }
}

.marquee-container {
  overflow: hidden;
  position: relative;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  contain: paint;
  mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}

.marquee-track-right {
  display: flex;
  width: max-content;
  gap: 1.25rem;
  will-change: transform;
  animation: marquee-right 22s linear infinite;
}

.marquee-track-right:hover {
  animation-play-state: paused;
}

/* Showcase Animations & Slide Motion */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@keyframes slideUpFade {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-slide-right {
  animation: slideInRight 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-slide-left {
  animation: slideInLeft 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* 3D Flip Phone Mockup Showcase Motion */
.showcase-mockup-wrapper {
  perspective: 1200px;
  transform-style: preserve-3d;
}

#showcase-mockup-img {
  transition: transform 0.22s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.22s ease;
  transform-origin: center center;
  will-change: transform, opacity;
}

.mockup-flip-out-next {
  transform: rotateY(-90deg) scale(0.92) !important;
  opacity: 0.1 !important;
}

.mockup-flip-in-next {
  transform: rotateY(90deg) scale(0.92) !important;
  opacity: 0.1 !important;
  transition: none !important;
}

.mockup-flip-out-prev {
  transform: rotateY(90deg) scale(0.92) !important;
  opacity: 0.1 !important;
}

.mockup-flip-in-prev {
  transform: rotateY(-90deg) scale(0.92) !important;
  opacity: 0.1 !important;
  transition: none !important;
}

/* Micro-interactions */
.feature-tab-btn {
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-tab-btn:active {
  transform: scale(0.97);
}

.slider-btn {
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.slider-btn:hover {
  transform: scale(1.06);
}

.slider-btn:active {
  transform: scale(0.94);
}

/* Custom Gradients & Mesh */
.bg-mesh-glow {
  background: radial-gradient(circle at 50% 0%, rgba(37, 99, 235, 0.08) 0%, transparent 60%);
}

.bg-hero-glow {
  background: radial-gradient(circle at 70% 30%, rgba(59, 130, 246, 0.12) 0%, rgba(37, 99, 235, 0.04) 40%, transparent 70%);
}

/* ============================================================
   LINTASAN KRL — stasiun di tengah, rel penuh, KRL melintas
   Semua penyetelan posisi ada di variabel berikut.
   ============================================================ */
.tk-railway {
  --rail-bottom: 7px;      /* jarak rel dari dasar panggung */
  --train-bottom: 9px;     /* roda KRL menempel di atas rel */
  --station-bottom: 5px;   /* dasar bangunan stasiun */
  --station-height: 110px; /* tinggi bangunan stasiun */
  --train-width: 84%;      /* panjang rangkaian, relatif lebar jalur */
  --pole-gap: 63px;        /* jarak antar tiang LAA; menentukan skala LAA */
  --run-duration: 12s;     /* satu putaran penuh */
}

.tk-railway-stage {
  position: relative;
  width: 100%;
  height: calc(var(--station-height) + 26px);
  overflow: hidden;
  /* fade di kedua ujung, sama seperti .marquee-container */
  mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}

/* Bangunan stasiun — selalu di tengah, di belakang rel */
.tk-station {
  position: absolute;
  left: 50%;
  bottom: var(--station-bottom);
  transform: translateX(-50%);
  height: var(--station-height);
  width: calc(var(--station-height) * 3);
  z-index: 10;
  pointer-events: none;
}

.tk-station-img {
  display: block;
  width: 100%;
  height: 100%;
}

/* Nama stasiun pada papan KAI. Semua posisi diukur dari gambar aslinya
   (2172x724) lalu dinyatakan dalam persen agar ikut menskala. */
.tk-station-name {
  position: absolute;
  left: 44.15%;
  top: 45.30%;
  width: 13.05%;
  height: 5.95%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #010e57;
  color: #fff;
  font-weight: 700;
  font-size: var(--station-font, calc(var(--station-height) * 0.044));
  line-height: 1;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
}

/* Hanya tulisannya yang memudar. Kotak birunya wajib tetap pekat, sebab di
   bawahnya ada tulisan "Jakarta Kota" bawaan gambar yang harus tertutup. */
.tk-station-name-text {
  display: block;
  transition: opacity 0.32s ease;
}

.tk-station-name.is-swapping .tk-station-name-text {
  opacity: 0;
}

/* Listrik aliran atas: tiang + lengan kantilever + kawat penggantung & kawat
   kontak. Digambar sebagai SVG yang diulang; rasio 140:103 dipakai untuk
   menghitung tinggi elemen agar kawat kontak jatuh di ujung pantograf. */
.tk-catenary {
  position: absolute;
  left: 0;
  right: 0;
  bottom: var(--rail-bottom);
  height: calc(var(--pole-gap) * 0.736);
  z-index: 5;
  pointer-events: none;
  background: url("data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20width=%22140%22%20height=%22103%22%20viewBox=%220%200%20140%20103%22%3E%3Cg%20fill=%22none%22%20stroke=%22%2364748b%22%20stroke-linecap=%22round%22%3E%3Cpath%20d=%22M0%204H140%22%20stroke-width=%221.3%22%20stroke-opacity=%22.38%22/%3E%3Cpath%20d=%22M35%204V26M70%204V26M105%204V26%22%20stroke-width=%22.9%22%20stroke-opacity=%22.3%22/%3E%3Cpath%20d=%22M0%2026H140%22%20stroke-width=%221.7%22%20stroke-opacity=%22.45%22/%3E%3Cpath%20d=%22M12%20103V2%22%20stroke-width=%222.6%22%20stroke-opacity=%22.5%22/%3E%3Cpath%20d=%22M6.5%2099.5H17.5%22%20stroke-width=%223.2%22%20stroke-opacity=%22.5%22/%3E%3Cpath%20d=%22M13%209L52%2021%22%20stroke-width=%221.7%22%20stroke-opacity=%22.5%22/%3E%3Cpath%20d=%22M13%2021H52%22%20stroke-width=%221.3%22%20stroke-opacity=%22.42%22/%3E%3Cpath%20d=%22M52%2021V26%22%20stroke-width=%221.5%22%20stroke-opacity=%22.5%22/%3E%3C/g%3E%3C/svg%3E") left bottom / var(--pole-gap) auto repeat-x;
}

/* Rel memanjang dari ujung ke ujung */
.tk-rail {
  position: absolute;
  left: 0;
  right: 0;
  bottom: var(--rail-bottom);
  height: 8px;
  z-index: 20;
  pointer-events: none;
  background:
    linear-gradient(#64748b, #64748b) 0 0 / 100% 2px no-repeat,
    repeating-linear-gradient(90deg, #cbd5e1 0 4px, transparent 4px 16px) 0 2px / 100% 6px no-repeat;
}

/* Jalur KRL — melintas di depan stasiun */
.tk-train-lane {
  position: absolute;
  left: 0;
  right: 0;
  bottom: var(--train-bottom);
  z-index: 30;
  pointer-events: none;
}

.tk-train {
  display: block;
  margin: 0 auto;
  width: var(--train-width);
  height: auto;
  max-width: var(--train-width);
  will-change: transform;
  animation: tk-krl-run var(--run-duration) infinite;
}

/* Masuk dari kanan, berhenti 5 detik tepat di depan stasiun, lalu lanjut ke kiri */
@keyframes tk-krl-run {
  0% {
    transform: translateX(135%);
    animation-timing-function: cubic-bezier(0.22, 0.65, 0.3, 1);
  }
  30% {
    transform: translateX(0);
    animation-timing-function: linear;
  }
  72% {
    transform: translateX(0);
    animation-timing-function: cubic-bezier(0.7, 0, 0.8, 0.45);
  }
  100% {
    transform: translateX(-135%);
  }
}

@media (min-width: 640px) {
  .tk-railway {
    --station-height: 150px;
    --train-width: 72%;
    --pole-gap: 107px;
    --rail-bottom: 8px;
    --train-bottom: 10px;
  }
}

@media (min-width: 1024px) {
  .tk-railway {
    --station-height: 200px;
    --train-width: 60%;
    --pole-gap: 140px;
    --rail-bottom: 9px;
    --train-bottom: 11px;
  }
}

/* Hormati preferensi pengguna yang mematikan animasi */
@media (prefers-reduced-motion: reduce) {
  .tk-train {
    animation: none;
    transform: none;
  }
}

/* Tombol uji suara pengingat (kartu Perjalanan Aktif) */
.tk-sound-btn .tk-wave {
  opacity: 0.55;
}

.tk-sound-btn.is-playing .tk-wave {
  opacity: 1;
  animation: tk-wave-pulse 1s ease-in-out infinite;
}

.tk-sound-btn.is-playing .tk-wave:last-child {
  animation-delay: 0.18s;
}

@keyframes tk-wave-pulse {
  0%, 100% { opacity: 0.25; }
  50%      { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .tk-sound-btn.is-playing .tk-wave {
    animation: none;
    opacity: 1;
  }
}