/* ==========================================================================
   SectorChat — landing page
   Palet mengikuti tema aplikasi Android (navy + biru terang).
   ========================================================================== */

:root {
  /* Warna */
  --navy-950: #050b18;
  --navy-900: #07101f;
  --navy-800: #0c1a30;
  --navy-700: #122544;
  --navy-600: #1b355c;
  --blue-500: #3b82f6;
  --blue-400: #60a5fa;
  --blue-300: #93c5fd;
  --blue-200: #bfdbfe;
  --sky-400: #38bdf8;
  --mint-400: #34d399;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --outline: rgba(42, 69, 110, 0.55);

  /* Tipografi */
  --font-sans: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;

  /* Tata letak */
  --container: 1120px;
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --header-height: 72px;

  /* Efek */
  --shadow-soft: 0 24px 60px -28px rgba(2, 8, 20, 0.9);
  --shadow-card: 0 18px 44px -30px rgba(59, 130, 246, 0.75);
  --transition: 220ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* --------------------------------------------------------------- reset --- */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--slate-300);
  background: var(--navy-900);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3 {
  margin: 0;
  color: #fff;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

p {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

:focus-visible {
  outline: 2px solid var(--blue-400);
  outline-offset: 3px;
  border-radius: 6px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--blue-500);
  color: #fff;
  font-weight: 600;
}

.skip-link:focus {
  left: 16px;
}

/* ------------------------------------------------------------ backdrop --- */

.backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 50% -10%, rgba(59, 130, 246, 0.16), transparent 60%),
    linear-gradient(180deg, var(--navy-900) 0%, var(--navy-950) 100%);
}

.backdrop-glow {
  position: absolute;
  width: 640px;
  height: 640px;
  border-radius: 50%;
  filter: blur(20px);
  opacity: 0.55;
}

.backdrop-glow--top {
  top: -260px;
  right: -180px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.35), transparent 68%);
}

.backdrop-glow--bottom {
  bottom: -320px;
  left: -220px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.22), transparent 68%);
}

/* -------------------------------------------------------------- header --- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(7, 16, 31, 0.78);
  border-bottom: 1px solid rgba(42, 69, 110, 0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--header-height);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  box-shadow: 0 10px 26px -12px rgba(59, 130, 246, 0.85);
}

.brand-name {
  font-size: 1.0625rem;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.primary-nav > a:not(.btn) {
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.9375rem;
  color: var(--slate-400);
  transition: color var(--transition), background-color var(--transition);
}

.primary-nav > a:not(.btn):hover {
  color: var(--slate-200);
  background: rgba(59, 130, 246, 0.12);
}

/* Tombol menu (hanya mobile) */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--outline);
  border-radius: 12px;
  background: rgba(18, 37, 68, 0.6);
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  border-radius: 2px;
  background: var(--slate-200);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* -------------------------------------------------------------- tombol --- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-family: inherit;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-align: center;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition),
    background-color var(--transition), border-color var(--transition),
    color var(--transition);
}

.btn--sm {
  padding: 10px 18px;
  font-size: 0.875rem;
}

.btn--lg {
  padding: 15px 26px;
  font-size: 1rem;
}

.btn--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue-500), var(--sky-400));
  box-shadow: 0 16px 34px -18px rgba(59, 130, 246, 0.95);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 44px -18px rgba(59, 130, 246, 0.95);
}

.btn--ghost {
  color: var(--slate-200);
  background: rgba(12, 26, 48, 0.7);
  border-color: var(--outline);
}

.btn--ghost:hover {
  transform: translateY(-2px);
  border-color: rgba(96, 165, 250, 0.6);
  color: #fff;
}

.btn--muted {
  color: var(--slate-400);
  background: rgba(18, 37, 68, 0.6);
  border-color: var(--outline);
  cursor: default;
}

.btn-icon {
  width: 20px;
  height: 20px;
}

/* Tombol unduhan yang belum tersedia (APK belum diunggah) */
.btn[data-soon="true"] .btn-icon {
  display: none;
}

/* ---------------------------------------------------------------- hero --- */

.hero {
  position: relative;
  padding: 72px 0 88px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: 56px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid rgba(96, 165, 250, 0.35);
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.1);
  color: var(--blue-300);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint-400);
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.16);
}

.hero-title {
  margin-top: 22px;
  font-size: clamp(1.95rem, 7vw, 3.75rem);
  font-weight: 800;
  text-wrap: balance;
  overflow-wrap: break-word;
}

.text-gradient {
  background: linear-gradient(120deg, var(--blue-300), var(--sky-400));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  margin-top: 20px;
  max-width: 34rem;
  font-size: 1.0625rem;
  color: var(--slate-400);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 30px;
}

.hero-actions--center {
  justify-content: center;
}

.hero-note {
  margin-top: 14px;
  font-size: 0.8125rem;
  color: var(--slate-500);
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(42, 69, 110, 0.45);
}

.hero-trust li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--slate-400);
}

.hero-trust svg {
  width: 18px;
  height: 18px;
  color: var(--blue-400);
}

/* ------------------------------------------------------ mockup telepon --- */

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.phone {
  position: relative;
  width: min(320px, 100%);
  padding: 12px;
  border-radius: 42px;
  background: linear-gradient(165deg, #16294a, #08121f 60%);
  border: 1px solid rgba(96, 165, 250, 0.22);
  box-shadow: var(--shadow-soft), 0 0 0 1px rgba(5, 11, 24, 0.8) inset;
}

.phone-notch {
  position: absolute;
  top: 22px;
  left: 50%;
  width: 78px;
  height: 8px;
  border-radius: 999px;
  background: rgba(5, 11, 24, 0.85);
  transform: translateX(-50%);
}

.phone-screen {
  display: flex;
  flex-direction: column;
  height: 520px;
  overflow: hidden;
  border-radius: 32px;
  background: linear-gradient(180deg, var(--navy-900), var(--navy-800));
}

.chat-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 30px 16px 14px;
  border-bottom: 1px solid rgba(42, 69, 110, 0.35);
}

.chat-avatar {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-400));
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
}

.chat-meta {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.chat-name {
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
}

.chat-status {
  color: var(--blue-400);
  font-size: 0.6875rem;
  font-weight: 500;
}

.chat-status[data-typing]::after {
  content: "";
  animation: dots 1.6s steps(1, end) infinite;
}

.chat-dots {
  margin-left: auto;
  color: var(--slate-500);
  letter-spacing: 2px;
}

.chat-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
  padding: 16px 14px;
  overflow: hidden;
}

.bubble {
  position: relative;
  max-width: 82%;
  padding: 10px 14px 18px;
  border-radius: 18px;
  font-size: 0.8125rem;
  line-height: 1.45;
  animation: bubble-in 520ms var(--transition) both;
}

.bubble--peer {
  align-self: flex-start;
  background: var(--navy-700);
  color: var(--slate-200);
  border-bottom-left-radius: 6px;
  animation-delay: 120ms;
}

.bubble--mine {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--blue-500), #3f8ef8);
  color: #fff;
  border-bottom-right-radius: 6px;
  animation-delay: 260ms;
}

.bubble--short {
  animation-delay: 420ms;
}

.bubble--media {
  padding: 6px 6px 20px;
  animation-delay: 190ms;
}

.bubble-photo {
  display: block;
  width: 190px;
  height: 96px;
  border-radius: 13px;
  background:
    radial-gradient(circle at 22% 38%, rgba(59, 130, 246, 0.85), transparent 42%),
    radial-gradient(circle at 58% 34%, rgba(96, 165, 250, 0.8), transparent 40%),
    radial-gradient(circle at 86% 44%, rgba(147, 197, 253, 0.7), transparent 38%),
    linear-gradient(180deg, #0d1c33 0%, #14304f 62%, #1b3f68 100%);
}

.bubble-time {
  position: absolute;
  right: 12px;
  bottom: 5px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.625rem;
  color: rgba(255, 255, 255, 0.7);
}

.bubble--peer .bubble-time {
  color: var(--slate-500);
}

.ticks svg {
  width: 13px;
  height: 13px;
  color: rgba(255, 255, 255, 0.75);
}

.ticks--read svg {
  color: var(--blue-200);
}

.chat-input {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 12px 14px;
  padding: 10px 14px;
  border-radius: 20px;
  border: 1px solid rgba(42, 69, 110, 0.6);
  background: rgba(5, 11, 24, 0.55);
}

.chat-clip {
  font-size: 0.9rem;
  opacity: 0.8;
}

.chat-placeholder {
  flex: 1;
  font-size: 0.8125rem;
  color: var(--slate-500);
}

.chat-send {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-500), var(--sky-400));
  color: #fff;
}

.chat-send svg {
  width: 16px;
  height: 16px;
}

/* Kartu melayang */
.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 16px;
  border: 1px solid var(--outline);
  background: rgba(12, 26, 48, 0.92);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
  animation: float 7s ease-in-out infinite;
}

.float-card strong {
  display: block;
  font-size: 0.75rem;
  color: #fff;
}

.float-card small {
  display: block;
  font-size: 0.6875rem;
  color: var(--slate-400);
}

.float-card-icon {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
}

.float-card-icon svg {
  width: 17px;
  height: 17px;
}

.float-card-icon--blue {
  background: rgba(59, 130, 246, 0.18);
  color: var(--blue-300);
}

.float-card-icon--sky {
  background: rgba(56, 189, 248, 0.16);
  color: var(--sky-400);
}

.float-card--read {
  top: 88px;
  right: -6px;
}

.float-card--otp {
  bottom: 92px;
  left: -14px;
  animation-delay: 1.4s;
}

/* ------------------------------------------------------------ section --- */

.section-head {
  max-width: 40rem;
  margin: 0 auto 44px;
  text-align: center;
}

.section-eyebrow {
  margin-bottom: 12px;
  color: var(--blue-400);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(1.75rem, 3.4vw, 2.4rem);
  font-weight: 750;
}

.section-lead {
  margin-top: 14px;
  color: var(--slate-400);
}

/* ------------------------------------------------------------- fitur --- */

.features {
  padding: 40px 0 88px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.feature-card {
  position: relative;
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(42, 69, 110, 0.7);
  background: linear-gradient(180deg, rgba(18, 37, 68, 0.72), rgba(12, 26, 48, 0.9));
  transition: transform var(--transition), border-color var(--transition),
    box-shadow var(--transition);
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(160deg, rgba(96, 165, 250, 0.5), transparent 55%);
  opacity: 0;
  transition: opacity var(--transition);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  border-radius: 14px;
  background: rgba(59, 130, 246, 0.16);
  color: var(--blue-300);
}

.feature-icon--sky {
  background: rgba(56, 189, 248, 0.14);
  color: var(--sky-400);
}

.feature-icon--mint {
  background: rgba(52, 211, 153, 0.14);
  color: var(--mint-400);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
}

.feature-card p {
  margin-top: 10px;
  font-size: 0.9375rem;
  color: var(--slate-400);
}

.feature-list {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(42, 69, 110, 0.6);
}

.feature-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.8125rem;
  color: var(--slate-400);
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue-400);
}

/* ----------------------------------------------------------- privasi --- */

.privacy {
  padding: 72px 0;
  border-block: 1px solid rgba(42, 69, 110, 0.4);
  background: linear-gradient(180deg, rgba(12, 26, 48, 0.55), transparent);
}

.privacy-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 48px;
  align-items: center;
}

.privacy-copy .section-title,
.privacy-copy .section-lead {
  text-align: left;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  color: var(--blue-300);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: gap var(--transition), color var(--transition);
}

.link-arrow:hover {
  gap: 12px;
  color: var(--blue-200);
}

.link-arrow svg {
  width: 18px;
  height: 18px;
}

.privacy-facts {
  display: grid;
  gap: 12px;
}

.privacy-facts li {
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(42, 69, 110, 0.65);
  background: rgba(12, 26, 48, 0.75);
}

.privacy-facts strong {
  display: block;
  color: #fff;
  font-size: 0.9375rem;
}

.privacy-facts span {
  display: block;
  margin-top: 2px;
  font-size: 0.8125rem;
  color: var(--slate-400);
}

/* --------------------------------------------------------------- cta --- */

.cta {
  padding: 84px 0 96px;
}

.cta-inner {
  position: relative;
  padding: 56px 32px;
  border-radius: 32px;
  border: 1px solid rgba(96, 165, 250, 0.28);
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(120% 140% at 50% 0%, rgba(59, 130, 246, 0.22), transparent 62%),
    linear-gradient(180deg, rgba(18, 37, 68, 0.9), rgba(9, 20, 36, 0.95));
}

.cta-title {
  font-size: clamp(1.6rem, 3.2vw, 2.15rem);
  font-weight: 750;
}

.cta-lead {
  max-width: 34rem;
  margin: 12px auto 0;
  color: var(--slate-400);
}

/* ------------------------------------------------- halaman legal/404 --- */

.legal {
  padding: 44px 0 96px;
}

.legal-inner {
  max-width: 780px;
}

.legal-back {
  margin: 0 0 28px;
  font-size: 0.875rem;
}

.legal-title {
  font-size: clamp(1.95rem, 4vw, 2.6rem);
  font-weight: 780;
}

.legal-meta {
  margin-top: 10px;
  font-size: 0.8125rem;
  color: var(--slate-500);
}

.legal-lead {
  margin-top: 20px;
  font-size: 1.0625rem;
  color: var(--slate-400);
}

.legal-section {
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid rgba(42, 69, 110, 0.45);
}

.legal-section h2 {
  margin-bottom: 12px;
  font-size: 1.1875rem;
  font-weight: 700;
}

.legal-section p {
  color: var(--slate-400);
}

.legal-section p + p {
  margin-top: 12px;
}

.legal-section a {
  color: var(--blue-300);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.legal-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.legal-list li {
  position: relative;
  padding-left: 22px;
  color: var(--slate-400);
}

.legal-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue-400);
}

.legal-list strong {
  color: #fff;
}

.legal-note {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid rgba(96, 165, 250, 0.28);
  background: rgba(59, 130, 246, 0.08);
  font-size: 0.875rem;
  color: var(--blue-200);
}

.error-page {
  display: grid;
  place-items: center;
  min-height: calc(100vh - 220px);
  padding: 64px 0 96px;
  text-align: center;
}

.error-code {
  font-size: clamp(4rem, 14vw, 7rem);
  font-weight: 850;
  line-height: 1;
  background: linear-gradient(120deg, var(--blue-300), var(--sky-400));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.error-lead {
  margin: 14px auto 28px;
  max-width: 30rem;
  color: var(--slate-400);
}

/* ------------------------------------------------------------ footer --- */
.site-footer {
  padding: 36px 0 44px;
  border-top: 1px solid rgba(42, 69, 110, 0.4);
  background: rgba(5, 11, 24, 0.6);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px 32px;
  align-items: center;
}

.footer-brand .brand-name {
  font-weight: 700;
}

.footer-tagline {
  margin-top: 4px;
  font-size: 0.8125rem;
  color: var(--slate-500);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.875rem;
}

.footer-nav a {
  color: var(--slate-400);
  transition: color var(--transition);
}

.footer-nav a:hover {
  color: var(--blue-300);
}

.footer-legal {
  grid-column: 1 / -1;
  padding-top: 20px;
  border-top: 1px solid rgba(42, 69, 110, 0.35);
  font-size: 0.7895rem;
  color: var(--slate-500);
}

/* ------------------------------------------------------------- toast --- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 80;
  max-width: min(90vw, 420px);
  padding: 12px 18px;
  border-radius: 14px;
  border: 1px solid rgba(96, 165, 250, 0.4);
  background: rgba(12, 26, 48, 0.96);
  color: var(--slate-200);
  font-size: 0.875rem;
  text-align: center;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  transform: translate(-50%, 16px);
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ------------------------------------------------------------ animasi --- */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 620ms ease, transform 620ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes bubble-in {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes dots {
  0% {
    content: "";
  }
  25% {
    content: ".";
  }
  50% {
    content: "..";
  }
  75% {
    content: "...";
  }
}

/* ------------------------------------------------------- responsif --- */

@media (max-width: 980px) {
  .hero {
    padding-top: 48px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 48px;
  }

  .hero-copy {
    text-align: center;
  }

  .hero-lead {
    margin-inline: auto;
  }

  .hero-actions,
  .hero-trust {
    justify-content: center;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .privacy-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .privacy-copy .section-title,
  .privacy-copy .section-lead {
    text-align: center;
  }

  .privacy-copy .link-arrow {
    display: flex;
    justify-content: center;
  }

  .float-card--otp {
    left: 4px;
  }

  .float-card--read {
    right: 4px;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: block;
  }

  .primary-nav {
    position: absolute;
    top: calc(var(--header-height) - 4px);
    left: 16px;
    right: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px;
    border-radius: 18px;
    border: 1px solid var(--outline);
    background: rgba(9, 20, 36, 0.98);
    box-shadow: var(--shadow-soft);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--transition), transform var(--transition),
      visibility var(--transition);
  }

  .primary-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .primary-nav > a:not(.btn) {
    padding: 12px 14px;
  }

  .primary-nav .btn {
    margin-top: 6px;
  }

  .feature-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .cta-inner {
    padding: 44px 22px;
    border-radius: 26px;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    text-align: center;
  }

  .footer-nav {
    justify-content: center;
  }

  .phone {
    width: min(300px, 100%);
  }
}

@media (max-width: 640px) {
  /* Biarkan judul membungkus alami; baris paksa hanya untuk layar lebar. */
  .hero-title br {
    display: none;
  }

  .hero-title {
    max-width: 20ch;
    margin-inline: auto;
  }
}

@media (max-width: 420px) {
  .hero {
    padding: 32px 0 64px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .float-card {
    display: none;
  }
}

/* ------------------------------------------------- aksesibilitas/preferensi --- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}