/* ==========================================================================
   DESIGN SYSTEM & VARIABLES (INSPIRASI: DARK LUXURY EDITORIAL REFERENSI)
   ========================================================================== */
:root {
  --bg-dark: #0D0E11;
  --bg-card: #14161B;
  --bg-card-hover: #1C1F27;
  --accent-gold: #E2B859;
  --accent-gold-glow: rgba(226, 184, 89, 0.25);
  --text-main: #FFFFFF;
  --text-muted: #9E8C96;
  --text-sub: #A0A5B5;
  --text-dim: #5C6272;
  --border-light: rgba(255, 255, 255, 0.1);
  --border-gold: rgba(226, 184, 89, 0.35);
  
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
}

/* Reset & Global */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 16px;
  overflow-x: hidden;
}

body {
  position: relative;
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Math Background Canvas */
#math-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
}

/* ==========================================================================
   HEADER NAVIGATION MINIMALIS
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 24px 0;
  background: linear-gradient(180deg, rgba(13, 14, 17, 0.9) 0%, rgba(13, 14, 17, 0) 100%);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: var(--transition-smooth);
}

.site-header.scrolled {
  padding: 16px 0;
  background: rgba(13, 14, 17, 0.95);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.header-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-tag {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.15rem;
  letter-spacing: 1px;
  color: var(--text-main);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition-fast);
}

.brand-tag:hover {
  color: var(--accent-gold);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  color: var(--text-sub);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link .num {
  color: var(--text-dim);
  font-size: 0.75rem;
  font-family: monospace;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
}

.nav-link.active .num {
  color: var(--accent-gold);
}

.header-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-light);
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 0.8rem;
}

.rating-star {
  color: var(--accent-gold);
  font-weight: 700;
}

.rating-label {
  color: var(--text-sub);
}

/* ==========================================================================
   SECTION HERO
   ========================================================================== */
.hero-section {
  position: relative;
  z-index: 1;
  padding-top: 130px;
  padding-bottom: 70px;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Hero Top Bar Code */
.hero-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-bottom: 24px;
}

.section-code {
  font-size: 0.8rem;
  letter-spacing: 2px;
  color: var(--text-dim);
  font-family: monospace;
  text-transform: uppercase;
}

.hero-pills-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--accent-gold);
  background: rgba(226, 184, 89, 0.08);
  border: 1px solid rgba(226, 184, 89, 0.2);
  padding: 4px 14px;
  border-radius: 9999px;
  letter-spacing: 0.5px;
}

.status-dot {
  width: 6px;
  height: 6px;
  background-color: var(--accent-gold);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-gold);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

/* Main Hero Title (Typography Overlap Style) */
.hero-title-wrapper {
  text-align: center;
  margin-bottom: 32px; /* Disesuaikan untuk memberi jarak dengan gambar */
  position: relative;
  z-index: 10;
  pointer-events: none;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5.2vw, 4.6rem);
  line-height: 1.06;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--text-main);
  text-transform: uppercase;
  text-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
}

.hero-title .title-italic {
  font-style: italic;
  font-weight: 400;
  color: #FFFFFF;
  background: linear-gradient(180deg, #FFFFFF 0%, rgba(255, 255, 255, 0.85) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   SHOWCASE VISUAL 3 CARDS (EXACT MATCH REFERENCE LAYOUT)
   ========================================================================== */
.hero-showcase {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  width: 100%;
  margin-top: 20px;
  margin-bottom: 48px;
  position: relative;
  perspective: 1000px;
}

.showcase-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  transition: var(--transition-smooth);
  cursor: pointer;
}

.showcase-card .card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 20px;
}

.showcase-card .card-badge {
  position: absolute;
  top: 16px;
  left: 20px;
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  color: var(--text-dim);
  font-family: monospace;
  z-index: 3;
  transition: var(--transition-smooth);
}

.showcase-card.active .card-badge {
  color: var(--accent-gold);
  font-weight: 700;
}

/* Left & Right Side Cards (Peeking) */
.showcase-card.card-left,
.showcase-card.card-right {
  width: 270px;
  height: 380px;
  opacity: 0.5;
  filter: brightness(0.6) grayscale(20%);
  transform: scale(0.92);
}

.showcase-card.card-left:hover,
.showcase-card.card-right:hover {
  opacity: 0.85;
  filter: brightness(0.85) grayscale(0%);
  transform: scale(0.96) translateY(-6px);
  border-color: rgba(255, 255, 255, 0.25);
}

/* Center Dominant Card */
.showcase-card.card-center {
  width: 440px;
  height: 480px;
  z-index: 5;
  opacity: 1;
  border-color: var(--border-gold);
  box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.9), 0 0 30px var(--accent-gold-glow);
}

.showcase-card.card-center:hover {
  transform: translateY(-8px);
  box-shadow: 0 40px 70px -15px rgba(0, 0, 0, 0.95), 0 0 45px rgba(226, 184, 89, 0.35);
}

.card-visual {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 20px;
}

.svg-math-visual {
  width: 100%;
  height: 280px;
}

.svg-main-math {
  width: 100%;
  height: 350px;
}

.animated-wave, .animated-path {
  stroke-dasharray: 0;
  stroke-dashoffset: 0;
  animation: none;
}

.showcase-card.active .animated-wave {
  stroke-dasharray: 600;
  stroke-dashoffset: 600;
  animation: draw-wave 4s ease-in-out infinite alternate;
}

.showcase-card.active .animated-path {
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
  animation: draw-wave 2s ease-in-out infinite alternate;
}

@keyframes draw-wave {
  0% { stroke-dashoffset: 600; }
  100% { stroke-dashoffset: 0; }
}

.main-visual-content {
  position: relative;
  width: 100%;
  height: 100%;
}

.glow-orb {
  position: absolute;
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(226, 184, 89, 0.2) 0%, rgba(13, 14, 17, 0) 70%);
  filter: blur(30px);
  pointer-events: none;
}

.center-badge-floating {
  position: absolute;
  bottom: 24px;
  left: 20px;
  right: 20px;
  background: rgba(20, 22, 27, 0.85);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(12px);
  padding: 12px 16px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.tutor-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-gold) 0%, #B88E30 100%);
  color: #0D0E11;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.tutor-info {
  display: flex;
  flex-direction: column;
}

.tutor-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
}

.tutor-spec {
  font-size: 0.75rem;
  color: var(--accent-gold);
}

.card-overlay-info {
  position: absolute;
  bottom: 16px;
  left: 20px;
  right: 20px;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-sub);
  letter-spacing: 0.5px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 10px;
}

/* ==========================================================================
   HERO BOTTOM CONTENT & PILL BUTTONS
   ========================================================================== */
.hero-bottom-content {
  width: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 50px;
}

.hero-description {
  max-width: 520px;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text-sub);
  font-weight: 400;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Pill Shaped CTA Buttons (Exact Styling from Reference) */
.btn-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 32px;
  border-radius: 9999px;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  text-decoration: none;
  transition: var(--transition-smooth);
  white-space: nowrap;
  cursor: pointer;
}

/* Primary Pill Button (White Background) */
.btn-primary {
  background-color: #FFFFFF;
  color: #0D0E11;
  border: 1px solid #FFFFFF;
  box-shadow: 0 10px 25px rgba(255, 255, 255, 0.15);
}

.btn-primary .btn-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.btn-primary:hover {
  background-color: var(--accent-gold);
  border-color: var(--accent-gold);
  color: #0D0E11;
  transform: translateY(-3px);
  box-shadow: 0 15px 35px var(--accent-gold-glow);
}

.btn-primary:hover .btn-arrow {
  transform: translateX(4px);
}

/* Secondary Pill Button (Glass Outline WhatsApp) */
.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(8px);
}

.btn-secondary .wa-icon {
  color: #25D366;
  display: flex;
  align-items: center;
  transition: transform 0.3s ease;
}

.btn-secondary:hover {
  background: rgba(37, 211, 102, 0.12);
  border-color: rgba(37, 211, 102, 0.4);
  color: #FFFFFF;
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.2);
}

.btn-secondary:hover .wa-icon {
  transform: scale(1.15);
}

/* ==========================================================================
   MICRO FEATURES HIGHLIGHT BAR
   ========================================================================== */
.hero-features-bar {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-around;
  background: rgba(20, 22, 27, 0.6);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(12px);
  padding: 20px 32px;
  border-radius: 20px;
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.feat-num {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-gold);
}

.feat-label {
  font-size: 0.8rem;
  color: var(--text-sub);
  letter-spacing: 0.5px;
}

.feature-divider {
  width: 1px;
  height: 30px;
  background-color: var(--border-light);
}

/* ==========================================================================
   SECTION MATA PELAJARAN (PROGRAM BELAJAR)
   ========================================================================== */
.program-section, .metode-section {
  padding: 100px 0;
  position: relative;
  z-index: 10;
  background-color: var(--bg-dark);
}

.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
}

.section-header {
  margin-bottom: 64px;
  max-width: 700px;
}

.section-header.center {
  text-align: center;
  margin: 0 auto 64px;
}

.section-header .section-code {
  display: inline-block;
  margin-bottom: 16px;
  font-size: 0.8rem;
  letter-spacing: 2px;
  color: var(--text-dim);
  font-family: monospace;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.1;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 24px;
}

.section-title .title-italic {
  font-style: italic;
  font-weight: 400;
  color: var(--accent-gold);
}

.section-description {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--text-sub);
}

/* Program Cards Layout */
.program-cards-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.program-card {
  position: relative;
  padding: 2px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.02) 100%);
  transition: var(--transition-smooth);
}

.program-card:hover {
  transform: translateY(-8px);
  background: linear-gradient(135deg, var(--accent-gold) 0%, rgba(226,184,89,0.1) 100%);
  box-shadow: 0 20px 40px rgba(0,0,0,0.5), 0 0 20px var(--accent-gold-glow);
}

.program-card-inner {
  background: var(--bg-card);
  border-radius: 22px;
  padding: 40px 32px;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card-level {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 20px;
  transition: var(--transition-smooth);
}

.program-card:hover .card-level {
  color: var(--accent-gold);
}

.card-divider {
  height: 1px;
  width: 100%;
  background: var(--border-light);
  margin-bottom: 24px;
  transition: var(--transition-smooth);
}

.program-card:hover .card-divider {
  background: var(--border-gold);
}

.program-card .card-content {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-sub);
  flex-grow: 1;
}

/* ==========================================================================
   SECTION METODE (KEUNGGULAN)
   ========================================================================== */
.metode-section {
  background: #111216;
  border-top: 1px solid rgba(255,255,255,0.03);
}

.metode-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 40px 32px;
}

.metode-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 32px;
  transition: var(--transition-smooth);
}

.metode-item:hover {
  border-color: rgba(226, 184, 89, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.4);
}

.metode-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(226, 184, 89, 0.1);
  border: 1px solid rgba(226, 184, 89, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: var(--transition-smooth);
}

.metode-item:hover .metode-icon {
  background: var(--accent-gold);
  box-shadow: 0 10px 20px var(--accent-gold-glow);
}

.metode-item:hover .metode-icon svg {
  stroke: var(--bg-dark);
}

.metode-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 12px;
}

.metode-desc {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-sub);
}

/* ==========================================================================
   SECTION TESTIMONI (TANGGAPAN ORANG TUA)
   ========================================================================== */
.testimoni-section {
  padding: 100px 0;
  background-color: var(--bg-dark);
}

.testimoni-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.testimoni-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 24px;
  padding: 40px;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}

.testimoni-card:hover {
  border-color: rgba(226, 184, 89, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.4);
}

.quote-icon {
  font-family: var(--font-serif);
  font-size: 4rem;
  line-height: 1;
  color: var(--accent-gold);
  margin-bottom: -10px;
  opacity: 0.6;
}

.testimoni-text {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-main);
  font-style: italic;
  margin-bottom: 32px;
  flex-grow: 1;
}

.testimoni-author {
  display: flex;
  align-items: center;
  gap: 16px;
  border-top: 1px solid var(--border-light);
  padding-top: 24px;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(226, 184, 89, 0.15);
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-weight: 600;
  color: var(--text-main);
  font-size: 0.95rem;
}

.author-role {
  font-size: 0.8rem;
  color: var(--text-sub);
}

/* ==========================================================================
   SECTION DAFTAR (FORM PENDAFTARAN)
   ========================================================================== */
.daftar-section {
  padding: 100px 0;
  background-color: #111216;
  border-top: 1px solid rgba(255,255,255,0.03);
}

.daftar-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: center;
}

.daftar-content {
  max-width: 480px;
}

.daftar-form-container {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 24px;
  padding: 40px;
  box-shadow: 0 25px 50px rgba(0,0,0,0.5);
}

.daftar-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-sub);
  letter-spacing: 0.5px;
}

input[type="text"],
input[type="tel"],
select,
textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent-gold);
  background: rgba(255, 255, 255, 0.06);
}

input::placeholder,
textarea::placeholder {
  color: var(--text-dim);
}

/* Custom Select */
.select-wrapper {
  position: relative;
}

.select-wrapper::after {
  content: "▼";
  font-size: 0.7rem;
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
}

select {
  appearance: none;
  cursor: pointer;
}

select option {
  background-color: var(--bg-card);
  color: var(--text-main);
}

/* Radio Buttons */
.radio-group {
  display: flex;
  gap: 24px;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-weight: 400;
  color: var(--text-main);
  font-size: 0.95rem;
}

.radio-label input {
  display: none;
}

.radio-custom {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--border-light);
  position: relative;
  transition: var(--transition-fast);
}

.radio-label input:checked + .radio-custom {
  border-color: var(--accent-gold);
}

.radio-label input:checked + .radio-custom::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--accent-gold);
}

.form-submit-btn {
  width: 100%;
  margin-top: 16px;
  border: none;
  font-family: var(--font-sans);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--bg-dark);
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 80px 0 40px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 64px;
  margin-bottom: 64px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.footer-cta {
  max-width: 500px;
}

.footer-title {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  line-height: 1.2;
  color: var(--text-main);
  margin-bottom: 16px;
}

.footer-desc {
  color: var(--text-sub);
  margin-bottom: 32px;
  font-size: 1.05rem;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  font-weight: 600;
}

.contact-val {
  color: var(--text-main);
  font-size: 1.05rem;
}

.footer-bottom {
  text-align: center;
}

.copyright {
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* ==========================================================================
   RESPONSIVE DESIGN (TABLET & MOBILE)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-showcase {
    gap: 12px;
  }

  .showcase-card.card-left,
  .showcase-card.card-right {
    width: 200px;
    height: 320px;
  }

  .showcase-card.card-center {
    width: 360px;
    height: 420px;
  }

  .hero-bottom-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }

  .hero-cta-group {
    width: 100%;
  }

  .btn-pill {
    width: 100%;
  }
}

@media (max-width: 770px) {
  .header-container {
    padding: 0 20px;
  }

  .nav-menu {
    display: flex; /* Munculkan di mobile */
  }
  
  .nav-link {
    display: none; /* Sembunyikan yang tidak aktif */
  }
  
  .nav-link.active {
    display: flex; /* Hanya tampilkan nav-link yang aktif sesuai section */
  }

  .hero-container {
    padding: 0 20px;
  }

  .hero-title-wrapper {
    margin-bottom: 24px;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-showcase {
    position: relative;
    height: 420px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    width: 100vw;
    margin-left: -20px;
  }
  
  .showcase-card {
    position: absolute;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .showcase-card.card-left {
    display: flex; /* Kembalikan dari display:none sebelumnya */
    width: 85%;
    max-width: 340px;
    height: 380px;
    z-index: 3;
    transform: scale(0.85) translateX(-65%);
    opacity: 0.4;
  }

  .showcase-card.card-right {
    display: flex; /* Kembalikan dari display:none sebelumnya */
    width: 85%;
    max-width: 340px;
    height: 380px;
    z-index: 3;
    transform: scale(0.85) translateX(65%);
    opacity: 0.4;
  }

  .showcase-card.card-center {
    width: 85%;
    max-width: 340px;
    height: 400px;
    z-index: 5;
    transform: scale(1) translateX(0);
    opacity: 1;
  }

  .hero-features-bar {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .feature-divider {
    width: 60%;
    height: 1px;
  }

  .daftar-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 40px;
    width: 100%;
  }
  
  .daftar-content {
    text-align: center;
    margin: 0 auto;
    width: 100%;
  }

  .daftar-form-container {
    margin: 0 auto;
    width: 100%;
    padding: 24px; /* Kurangi padding agar tidak sumpek di HP */
    box-sizing: border-box; /* Pastikan padding tidak menambah lebar */
  }

  .radio-group {
    flex-wrap: wrap; /* Mencegah overflow horizontal pada layar sempit */
    gap: 16px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-top {
    flex-direction: column;
    gap: 40px;
  }

  .header-badge {
    flex-direction: column;
    gap: 2px;
    align-items: flex-start;
    padding: 6px 12px;
  }

  .rating-star {
    font-size: 0.85rem;
  }
  
  .rating-label {
    font-size: 0.65rem;
  }
}