/* ==========================================================================
   WINDEAR LANDING PAGE — BRAND CSS DESIGN SYSTEM
   Palette:
     --color-primary: #06B6D4 (Teal)
     --color-primary-dark: #0891B2
     --color-accent: #FF6B4A (Coral Orange - CTAs, Play buttons, Streak)
     --color-accent-hover: #E05333
     --color-dark: #1E293B (Deep Sea Dark Card / Text)
     --color-dark-surface: #0F172A
     --color-bg-light: #F8FAFC (Light subtle background)
     --color-white: #FFFFFF
   ========================================================================== */

:root {
  --color-primary: #06B6D4;
  --color-primary-dark: #0891B2;
  --color-primary-light: #E0F2FE;
  --color-accent: #FF6B4A;
  --color-accent-hover: #F05533;
  --color-accent-soft: #FFF1EE;
  --color-dark: #1E293B;
  --color-dark-surface: #0F172A;
  --color-text-main: #1E293B;
  --color-text-muted: #64748B;
  --color-bg-light: #F8FAFC;
  --color-white: #FFFFFF;
  --color-border: #E2E8F0;

  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 40px rgba(6, 182, 212, 0.12);
  --shadow-accent: 0 10px 25px rgba(255, 107, 74, 0.35);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg-light);
  color: var(--color-text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 70px; /* Space for mobile sticky CTA */
}

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
  }
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

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

/* ==========================================================================
   DECORATIVE EAR-WIND MOTIF
   ========================================================================== */
.ear-wind-bg-motif {
  position: absolute;
  pointer-events: none;
  z-index: 0;
}

.motif-hero {
  top: -60px;
  right: -80px;
  width: 550px;
  height: 550px;
  opacity: 0.8;
}

@media (max-width: 768px) {
  .motif-hero {
    width: 340px;
    height: 340px;
    right: -100px;
    top: 20px;
  }
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
}

.btn-accent {
  background: linear-gradient(135deg, #FF6B4A 0%, #FF522B 100%);
  color: var(--color-white);
  box-shadow: var(--shadow-accent);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(255, 107, 74, 0.45);
  background: linear-gradient(135deg, #FF7B5C 0%, #FF6B4A 100%);
}

.btn-ghost {
  background: rgba(6, 182, 212, 0.08);
  color: var(--color-primary-dark);
  border: 1.5px solid rgba(6, 182, 212, 0.3);
}

.btn-ghost:hover {
  background: rgba(6, 182, 212, 0.16);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-teal-outline {
  background: transparent;
  color: var(--color-primary-dark);
  border: 2px solid var(--color-primary);
}

.btn-teal-outline:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
}

.btn-large {
  padding: 18px 36px;
  font-size: 1.1rem;
}

@media (max-width: 480px) {
  .btn-large {
    width: 100%;
    padding: 16px 20px;
    font-size: 1rem;
  }
}

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  padding: 14px 0;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.brand-text-group {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--color-dark);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.brand-tagline {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
}

.header-badge {
  display: none;
  align-items: center;
  gap: 8px;
  background: var(--color-primary-light);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(6, 182, 212, 0.2);
}

@media (min-width: 640px) {
  .header-badge {
    display: flex;
  }
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-primary);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.6);
  animation: pulse-animation 2s infinite;
}

@keyframes pulse-animation {
  0% {
    box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.6);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(6, 182, 212, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(6, 182, 212, 0);
  }
}

.badge-text {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.btn-header {
  padding: 10px 20px;
  font-size: 0.9rem;
}

/* ==========================================================================
   SECTION COMMON STYLES
   ========================================================================== */
section {
  padding: 70px 0;
  position: relative;
}

@media (min-width: 992px) {
  section {
    padding: 100px 0;
  }
}

.section-header {
  margin-bottom: 48px;
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}

.tag-teal {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.tag-orange {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.6rem;
  }
}

/* ==========================================================================
   SECTION 1: HERO
   ========================================================================== */
.hero-section {
  padding-top: 40px;
  padding-bottom: 80px;
  overflow: hidden;
}

.hero-container {
  position: relative;
  z-index: 1;
}

/* Streak Banner (Gamification) */
.streak-hero-banner {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  background: var(--color-white);
  padding: 10px 20px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(6, 182, 212, 0.15);
  margin-bottom: 32px;
}

.streak-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-weight: 800;
  font-size: 0.85rem;
}

.progress-preview {
  display: flex;
  align-items: center;
  gap: 10px;
}

.progress-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-dark);
}

.progress-bar-track {
  width: 90px;
  height: 8px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), #00F2FE);
  border-radius: var(--radius-full);
}

.progress-percent {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--color-primary-dark);
}

.hero-headline {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-dark);
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.highlight-teal {
  color: var(--color-primary);
  background: linear-gradient(180deg, transparent 65%, rgba(6, 182, 212, 0.2) 65%);
}

.headline-sub-bold {
  display: block;
  font-size: 1.4rem;
  font-weight: 700;
  color: #475569;
  margin-top: 10px;
}

@media (min-width: 768px) {
  .hero-headline {
    font-size: 3.2rem;
  }
  .headline-sub-bold {
    font-size: 1.8rem;
  }
}

.hero-subheadline {
  font-size: 1.15rem;
  color: #334155;
  line-height: 1.7;
  max-width: 820px;
  margin-bottom: 36px;
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 40px;
}

@media (min-width: 640px) {
  .hero-cta-group {
    flex-direction: row;
    align-items: center;
  }
}

/* Trust Bar */
.trust-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 16px 24px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  max-width: fit-content;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-dark);
}

.trust-dot {
  color: var(--color-text-muted);
  font-weight: bold;
}

@media (max-width: 640px) {
  .trust-dot {
    display: none;
  }
  .trust-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

/* ==========================================================================
   SECTION 2: PAIN SECTION
   ========================================================================== */
.pain-section {
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.pain-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 40px;
}

@media (min-width: 640px) {
  .pain-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.pain-card {
  background: var(--color-bg-light);
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pain-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 107, 74, 0.3);
}

.pain-icon-wrapper {
  font-size: 1.8rem;
  background: var(--color-white);
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.pain-text {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.5;
}

/* Pain Transition Dark Card (#1E293B) */
.pain-transition-card {
  background: var(--color-dark);
  color: var(--color-white);
  padding: 36px;
  border-radius: var(--radius-lg);
  position: relative;
  box-shadow: var(--shadow-lg);
  border-left: 6px solid var(--color-primary);
}

.transition-badge {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 800;
  font-size: 0.8rem;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.transition-text {
  font-size: 1.15rem;
  line-height: 1.75;
  color: #E2E8F0;
  font-weight: 500;
}

/* ==========================================================================
   SECTION 3: METHOD (4 STEP CARDS)
   ========================================================================== */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

@media (min-width: 768px) {
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.step-card {
  background: var(--color-white);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(6, 182, 212, 0.2);
}

.step-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.step-number-badge {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #0284C7 100%);
  color: var(--color-white);
  font-size: 1.8rem;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(6, 182, 212, 0.3);
  flex-shrink: 0;
}

.step-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.3;
}

.step-desc {
  font-size: 1.02rem;
  color: #334155;
  line-height: 1.65;
  margin-bottom: 24px;
}

/* Step Mockups */
.step-mockup-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mockup-chip {
  background: var(--color-bg-light);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.mockup-chip.active {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  border-color: var(--color-primary);
}

.step-mockup-vocab-box {
  background: var(--color-dark);
  color: var(--color-white);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
}

.vocab-word {
  font-weight: 800;
  color: var(--color-accent);
}

.vocab-arrow {
  margin: 0 6px;
  color: var(--color-primary);
}

.vocab-meaning {
  color: #CBD5E1;
}

.step-mockup-voices {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.voice-badge {
  background: #F1F5F9;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-dark);
  border: 1px solid #CBD5E1;
}

.step-mockup-mastery {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #ECFDF5;
  color: #047857;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-weight: 800;
  font-size: 0.9rem;
  border: 1px solid #A7F3D0;
}

/* INTERACTIVE DEMO PLAYER CARD */
.interactive-demo-card {
  background: var(--color-dark-surface);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 36px;
  margin-bottom: 40px;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.25);
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.demo-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.demo-tag {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.1em;
}

.demo-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-white);
}

.streak-pill {
  background: var(--color-accent);
  color: var(--color-white);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 800;
}

.audio-sentence-display {
  font-size: 1.3rem;
  font-weight: 700;
  color: #F8FAFC;
  background: rgba(255, 255, 255, 0.06);
  padding: 20px 24px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  border-left: 4px solid var(--color-accent);
}

.highlight-chunk {
  color: var(--color-accent);
  background: rgba(255, 107, 74, 0.2);
  padding: 2px 8px;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.highlight-chunk.active-playing {
  animation: pulse-chunk 0.8s infinite alternate;
}

@keyframes pulse-chunk {
  from { background: rgba(255, 107, 74, 0.3); }
  to { background: rgba(255, 107, 74, 0.8); color: #FFF; }
}

/* Soundwave Animation */
.soundwave-bar-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 48px;
  margin-bottom: 28px;
}

.soundwave-bar-container .bar {
  width: 6px;
  background: var(--color-primary);
  border-radius: 3px;
  height: 12px;
  transition: height 0.2s ease;
}

.soundwave-bar-container.playing .bar {
  animation: soundwave-anim 0.6s infinite alternate ease-in-out;
}

.soundwave-bar-container.playing .bar-1 { animation-delay: 0.1s; }
.soundwave-bar-container.playing .bar-2 { animation-delay: 0.25s; }
.soundwave-bar-container.playing .bar-3 { animation-delay: 0.05s; }
.soundwave-bar-container.playing .bar-4 { animation-delay: 0.4s; }
.soundwave-bar-container.playing .bar-5 { animation-delay: 0.15s; }
.soundwave-bar-container.playing .bar-6 { animation-delay: 0.3s; }
.soundwave-bar-container.playing .bar-7 { animation-delay: 0.2s; }
.soundwave-bar-container.playing .bar-8 { animation-delay: 0.35s; }
.soundwave-bar-container.playing .bar-9 { animation-delay: 0.1s; }
.soundwave-bar-container.playing .bar-10 { animation-delay: 0.45s; }

@keyframes soundwave-anim {
  0% { height: 8px; }
  100% { height: 44px; background: var(--color-accent); }
}

.demo-controls {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 16px;
}

@media (min-width: 640px) {
  .demo-controls {
    flex-direction: row;
    justify-content: center;
  }
}

.btn-play {
  padding: 14px 24px;
}

.demo-note {
  font-size: 0.9rem;
  color: #94A3B8;
  text-align: center;
  font-style: italic;
}

/* Callout Box */
.callout-box {
  background: linear-gradient(135deg, #FFF7ED 0%, #FFEDD5 100%);
  border: 2px solid rgba(255, 107, 74, 0.4);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  box-shadow: var(--shadow-sm);
}

.callout-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
}

.callout-text {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.6;
}

/* ==========================================================================
   SECTION 4: VÌ SAO PHƯƠNG PHÁP NÀY HIỆU QUẢ
   ========================================================================== */
.why-section {
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

@media (min-width: 992px) {
  .why-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.why-card {
  background: var(--color-bg-light);
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: transform 0.25s ease;
}

.why-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
}

.why-icon-box {
  width: 64px;
  height: 64px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.why-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.35;
  margin-bottom: 10px;
}

.why-card-desc {
  font-size: 1rem;
  color: #475569;
  line-height: 1.65;
}

/* ==========================================================================
   SECTION 5: CAM KẾT CỦA WINDEAR
   ========================================================================== */
.commitments-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .commitments-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.commitment-card {
  background: var(--color-dark);
  color: var(--color-white);
  padding: 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border-top: 4px solid var(--color-accent);
  position: relative;
}

.commitment-badge {
  font-size: 2.2rem;
  font-weight: 800;
  color: rgba(255, 107, 74, 0.4);
  line-height: 1;
  margin-bottom: 16px;
}

.commitment-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 12px;
}

.commitment-desc {
  font-size: 1rem;
  color: #CBD5E1;
  line-height: 1.6;
}

/* ==========================================================================
   SECTION 6: FAQ ACCORDION
   ========================================================================== */
.faq-section {
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
}

.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item.active {
  border-color: var(--color-primary);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: var(--font-family);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-dark);
  text-align: left;
  cursor: pointer;
}

.faq-chevron {
  transition: transform 0.3s ease;
  color: var(--color-primary);
  flex-shrink: 0;
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out, padding 0.35s ease;
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px 24px;
}

.faq-answer p {
  font-size: 1rem;
  color: #475569;
  line-height: 1.7;
}

/* ==========================================================================
   SECTION 7: FINAL CTA
   ========================================================================== */
.final-cta-section {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: var(--color-white);
  padding: 90px 0;
  position: relative;
  overflow: hidden;
}

.final-cta-heading {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.25;
  max-width: 800px;
  margin: 0 auto 24px auto;
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .final-cta-heading {
    font-size: 3rem;
  }
}

.final-cta-sub {
  font-size: 1.15rem;
  color: #94A3B8;
  max-width: 680px;
  margin: 0 auto 40px auto;
  line-height: 1.7;
}

.final-cta-btn-wrapper {
  display: flex;
  justify-content: center;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #090D16;
  color: #64748B;
  padding: 40px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-container {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
}

@media (min-width: 768px) {
  .footer-container {
    flex-direction: row;
  }
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo {
  width: 36px;
  height: 36px;
}

.footer-title {
  font-weight: 800;
  color: var(--color-white);
  font-size: 1.1rem;
}

.footer-copy {
  font-size: 0.85rem;
}

.footer-rights {
  font-size: 0.85rem;
}

/* ==========================================================================
   MOBILE STICKY CTA
   ========================================================================== */
.mobile-sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255, 107, 74, 0.3);
  padding: 10px 16px;
  z-index: 9999;
  box-shadow: 0 -8px 20px rgba(0, 0, 0, 0.2);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.mobile-sticky-cta.visible {
  transform: translateY(0);
}

@media (min-width: 768px) {
  .mobile-sticky-cta {
    display: none !important;
  }
}

.sticky-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.sticky-text-info {
  display: flex;
  flex-direction: column;
}

.sticky-title {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--color-white);
}

.sticky-sub {
  font-size: 0.75rem;
  color: var(--color-primary);
}

.btn-sticky {
  padding: 10px 18px;
  font-size: 0.88rem;
  white-space: nowrap;
}

/* ==========================================================================
   GOOGLE FORM SURVEY MODAL STYLES
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 2147483646;
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 16px;
}

.modal-overlay.active {
  display: flex !important;
  opacity: 1 !important;
  pointer-events: auto !important;
}

.modal-container {
  background: var(--color-dark-surface);
  color: var(--color-white);
  width: 100%;
  max-width: 680px;
  height: 90vh;
  max-height: 850px;
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-primary);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7), 0 0 35px rgba(6, 182, 212, 0.3);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transform: scale(0.92) translateY(16px);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.active .modal-container {
  transform: scale(1) translateY(0);
}

.modal-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(30, 41, 59, 0.98);
  flex-shrink: 0;
}

.modal-title-group {
  display: flex;
  flex-direction: column;
}

.modal-badge {
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.25;
}

.modal-close-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--color-accent);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
  margin-left: 12px;
}

.modal-close-btn:hover {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
  transform: scale(1.08);
}

.modal-iframe-wrapper {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  background: #FFFFFF;
  position: relative;
}

.modal-iframe-wrapper iframe {
  width: 100%;
  height: 1400px;
  min-height: 100%;
  border: none;
  display: block;
}

.modal-footer-bar {
  padding: 12px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(15, 23, 42, 0.98);
  text-align: center;
  flex-shrink: 0;
}

.btn-skip-app {
  width: 100%;
  font-size: 0.85rem;
  padding: 10px 16px;
  color: #CBD5E1;
  border: 1px solid rgba(255, 255, 255, 0.2);
  justify-content: center;
}

.btn-skip-app:hover {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-primary);
}

.btn-skip-link {
  background: transparent;
  border: none;
  color: #94A3B8;
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
  padding: 4px 0 0 0;
  text-align: left;
  transition: color 0.2s ease;
}

.btn-skip-link:hover {
  color: var(--color-primary);
}

.modal-guide-bar {
  background: rgba(6, 182, 212, 0.08);
  border-bottom: 1px solid rgba(6, 182, 212, 0.18);
  padding: 10px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #94A3B8;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.modal-guide-bar span {
  color: #CBD5E1;
}

/* Modal View Switcher */
.modal-form-view {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}

.modal-confirm-trigger-box {
  background: var(--color-dark);
  padding: 12px 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.confirm-hint-text {
  font-size: 0.9rem;
  font-weight: 700;
  color: #CBD5E1;
}

.btn-confirm-submit {
  padding: 8px 16px;
  font-size: 0.85rem;
}

/* Thank You View */
.modal-thankyou-view {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  text-align: center;
  background: var(--color-dark-surface);
  animation: fadeInThankYou 0.35s ease-out;
}

@keyframes fadeInThankYou {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.thankyou-content {
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.thankyou-icon-wrapper {
  position: relative;
  width: 80px;
  height: 80px;
  background: rgba(255, 107, 74, 0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  border: 2px solid var(--color-accent);
}

.thankyou-circle-pulse {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid rgba(255, 107, 74, 0.4);
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.8; }
  100% { transform: scale(1.18); opacity: 0; }
}

.thankyou-title {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 14px;
  line-height: 1.25;
}

.thankyou-desc {
  font-size: 1.05rem;
  color: #CBD5E1;
  line-height: 1.65;
  margin-bottom: 28px;
}

.thankyou-close-btn {
  width: 100%;
  max-width: 240px;
}

/* ==========================================================================
   WINDEAR SALES CHATBOT FLOATING WIDGET STYLES (MAX Z-INDEX FIX)
   ========================================================================== */
#windear-chatbot-root {
  position: relative;
  z-index: 2147483647 !important;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.chatbot-toggle-btn {
  position: fixed !important;
  bottom: 85px !important;
  right: 30px !important;
  z-index: 2147483647 !important;
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
  background: linear-gradient(135deg, #06B6D4 0%, #0284C7 100%) !important;
  color: #FFFFFF !important;
  border: 2px solid #FFFFFF !important;
  padding: 14px 24px !important;
  border-radius: 50px !important;
  box-shadow: 0 10px 30px rgba(6, 182, 212, 0.6), 0 4px 12px rgba(0, 0, 0, 0.4) !important;
  cursor: pointer !important;
  font-weight: 800 !important;
  font-size: 1rem !important;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
}

.chatbot-toggle-btn:hover {
  transform: translateY(-3px) scale(1.05) !important;
  box-shadow: 0 14px 35px rgba(6, 182, 212, 0.7) !important;
}

.chat-badge-pulse {
  position: absolute;
  top: -3px;
  right: -3px;
  width: 14px;
  height: 14px;
  background-color: #FF6B4A;
  border: 2px solid #0F172A;
  border-radius: 50%;
  animation: badge-bounce 1.5s infinite;
}

@keyframes badge-bounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.3); }
}

.chatbot-window {
  position: fixed !important;
  bottom: 150px !important;
  right: 30px !important;
  width: 380px !important;
  max-width: calc(100vw - 32px) !important;
  height: 520px !important;
  max-height: calc(100vh - 180px) !important;
  background: #0F172A !important;
  border: 2px solid rgba(6, 182, 212, 0.6) !important;
  border-radius: 20px !important;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.9), 0 0 40px rgba(6, 182, 212, 0.4) !important;
  display: flex !important;
  flex-direction: column !important;
  overflow: hidden !important;
  transition: opacity 0.25s ease, transform 0.25s ease !important;
  transform-origin: bottom right !important;
  z-index: 2147483647 !important;
}

.chatbot-window.hidden {
  display: none !important;
  opacity: 0 !important;
  pointer-events: none !important;
  transform: scale(0.85) translateY(20px) !important;
}

.chatbot-window.active {
  display: flex !important;
  opacity: 1 !important;
  pointer-events: auto !important;
  transform: scale(1) translateY(0) !important;
}

.chatbot-header {
  background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chatbot-brand-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.chatbot-avatar-circle {
  position: relative;
  width: 40px;
  height: 40px;
  background: rgba(6, 182, 212, 0.15);
  border: 1.5px solid #06B6D4;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.online-dot {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 10px;
  height: 10px;
  background: #22C55E;
  border: 2px solid #0F172A;
  border-radius: 50%;
}

.chatbot-title-text {
  font-size: 1rem;
  font-weight: 700;
  color: #FFFFFF;
  margin: 0;
}

.chatbot-status-text {
  font-size: 0.75rem;
  color: #06B6D4;
  font-weight: 600;
}

.chatbot-header-close {
  background: transparent;
  border: none;
  color: #94A3B8;
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: 4px;
  transition: color 0.2s;
}

.chatbot-header-close:hover {
  color: #FFFFFF;
}

.chatbot-messages {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: #0B1120;
}

.chat-msg {
  display: flex;
  flex-direction: column;
  max-width: 85%;
  font-size: 0.88rem;
  line-height: 1.5;
}

.chat-msg.bot {
  align-self: flex-start;
}

.chat-msg.user {
  align-self: flex-end;
}

.msg-bubble {
  padding: 12px 16px;
  border-radius: 16px;
  word-break: break-word;
}

.chat-msg.bot .msg-bubble {
  background: #1E293B;
  color: #E2E8F0;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom-left-radius: 4px;
}

.chat-msg.user .msg-bubble {
  background: linear-gradient(135deg, #06B6D4 0%, #0284C7 100%);
  color: #FFFFFF;
  border-bottom-right-radius: 4px;
  font-weight: 500;
}

.chat-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 10px;
  background: #FF6B4A;
  color: #FFFFFF;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s;
  width: 100%;
  text-align: center;
}

.chat-cta-btn:hover {
  background: #E05536;
}

.chatbot-quick-replies {
  display: flex;
  gap: 6px;
  padding: 10px 12px;
  overflow-x: auto;
  background: #0F172A;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  scrollbar-width: none;
}

.chatbot-quick-replies::-webkit-scrollbar {
  display: none;
}

.chat-chip {
  white-space: nowrap;
  background: #1E293B;
  color: #94A3B8;
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.chat-chip:hover {
  background: #06B6D4;
  color: #FFFFFF;
  border-color: #06B6D4;
}

.chat-chip.chip-accent {
  background: rgba(255, 107, 74, 0.15);
  color: #FF6B4A;
  border-color: rgba(255, 107, 74, 0.4);
}

.chat-chip.chip-accent:hover {
  background: #FF6B4A;
  color: #FFFFFF;
}

.chatbot-input-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px;
  background: #1E293B;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.chatbot-input-bar input {
  flex: 1;
  background: #0F172A;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  padding: 10px 14px;
  border-radius: 25px;
  font-size: 0.85rem;
  outline: none;
}

.chatbot-input-bar input:focus {
  border-color: #06B6D4;
}

.chatbot-send-btn {
  background: #06B6D4;
  color: #FFFFFF;
  border: none;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s;
}

.chatbot-send-btn:hover {
  background: #0284C7;
}

@media (max-width: 480px) {
  #windear-chatbot-root {
    bottom: 16px;
    right: 16px;
  }
  .chatbot-window {
    width: calc(100vw - 32px);
    height: 480px;
    bottom: 60px;
  }
}

/* NATIVE FORM STYLES FOR REAL DATA COLLECTION */
.native-customer-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 10px 4px;
}

.native-customer-form .form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
}

.native-customer-form label {
  font-size: 0.85rem;
  font-weight: 700;
  color: #E2E8F0;
}

.req-star {
  color: #FF6B4A;
}

.native-customer-form input,
.native-customer-form select,
.native-customer-form textarea {
  width: 100%;
  background: #0F172A;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  padding: 12px 14px;
  color: #FFFFFF;
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.native-customer-form input:focus,
.native-customer-form select:focus,
.native-customer-form textarea:focus {
  border-color: #06B6D4;
}

.native-customer-form select option {
  background: #0F172A;
  color: #FFFFFF;
}

.btn-submit-form {
  width: 100%;
  margin-top: 8px;
  justify-content: center;
}