/* ==========================================================================
   EduPeak Mobile App – Official Release Landing Page Stylesheet
   Theme: eWings.lk Palette (#227AFF, #1565D8, #06B6D4, #F6FAFF, #0F172A)
   Bilingual Sinhala & English Smart Hybrid LMS Platform
   ========================================================================== */

/* Hero Section */
.app-hero-section {
  position: relative;
  padding: 6.5rem 0 5rem;
  overflow: hidden;
  background: radial-gradient(circle at 85% 15%, rgba(34, 122, 255, 0.12) 0%, rgba(255, 255, 255, 0) 60%),
              radial-gradient(circle at 10% 70%, rgba(6, 182, 212, 0.08) 0%, rgba(255, 255, 255, 0) 50%),
              linear-gradient(180deg, #ffffff 0%, #f6faff 100%);
}

.app-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

/* Release Pill Badge */
.app-release-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  border: 1px solid #bfdbfe;
  padding: 0.45rem 1.15rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.3px;
  box-shadow: 0 4px 12px rgba(34, 122, 255, 0.1);
  margin-bottom: 1.25rem;
  animation: badgeBounce 3s ease-in-out infinite;
}

.app-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

@keyframes badgeBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

/* Hero Titles */
.app-hero-title {
  font-family: var(--font-heading);
  font-size: 3.25rem;
  font-weight: 900;
  color: #0f172a;
  letter-spacing: -1px;
  line-height: 1.15;
  margin: 0 0 0.85rem 0;
}

.app-hero-highlight {
  background: linear-gradient(135deg, #227aff 0%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.app-hero-tagline {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.app-hero-sinhala-tagline {
  font-family: var(--font-sinhala), sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: #2563eb;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.app-hero-desc {
  font-size: 1.05rem;
  color: #475569;
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.app-hero-desc-sinhala {
  font-family: var(--font-sinhala), sans-serif;
  font-size: 0.975rem;
  color: #334155;
  line-height: 1.75;
  background: rgba(255, 255, 255, 0.7);
  border-left: 3.5px solid var(--primary);
  padding: 0.85rem 1.15rem;
  border-radius: 0 12px 12px 0;
  margin-bottom: 2rem;
  box-shadow: 0 2px 8px rgba(34, 122, 255, 0.05);
}

/* Hero Actions */
.app-hero-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.btn-apk-download {
  background: linear-gradient(135deg, #227aff 0%, #1565d8 100%);
  color: #ffffff !important;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  padding: 1rem 2rem;
  border-radius: 14px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 8px 24px rgba(34, 122, 255, 0.35);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.btn-apk-download::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transform: skewX(-20deg);
  animation: buttonShine 4s infinite;
}

@keyframes buttonShine {
  0% { left: -100%; }
  30%, 100% { left: 150%; }
}

.btn-apk-download:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 14px 30px rgba(34, 122, 255, 0.45);
  color: #ffffff !important;
}

.btn-telegram-large {
  background: linear-gradient(135deg, #229ed9 0%, #0088cc 100%);
  color: #ffffff !important;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  padding: 1rem 1.65rem;
  border-radius: 14px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  box-shadow: 0 6px 20px rgba(34, 158, 217, 0.3);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-telegram-large:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 25px rgba(0, 136, 204, 0.4);
  color: #ffffff !important;
}

.app-trust-pills {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: #64748b;
  font-weight: 600;
}

.app-trust-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.app-trust-pill i {
  color: #10b981;
}

/* ==========================================================================
   Interactive Smartphone 3D Mockup
   ========================================================================== */
.app-mockup-column {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.app-mockup-column::before {
  content: '';
  position: absolute;
  width: 440px;
  height: 580px;
  background: radial-gradient(circle, rgba(34, 122, 255, 0.22) 0%, rgba(6, 182, 212, 0.12) 50%, rgba(255, 255, 255, 0) 70%);
  border-radius: 50%;
  filter: blur(40px);
  z-index: 0;
  animation: pulseGlow 6s ease-in-out infinite alternate;
}

@keyframes pulseGlow {
  0% { transform: scale(0.9) rotate(0deg); opacity: 0.7; }
  100% { transform: scale(1.1) rotate(10deg); opacity: 1; }
}

.app-phone-container {
  position: relative;
  z-index: 2;
  width: 350px;
  height: 720px;
  background: #0f172a;
  border-radius: 46px;
  padding: 12px;
  box-shadow: 0 25px 60px -15px rgba(15, 23, 42, 0.35),
              0 0 0 2px rgba(255, 255, 255, 0.15) inset,
              0 0 35px rgba(34, 122, 255, 0.25);
  animation: floatPhone 6s ease-in-out infinite;
  transition: transform 0.4s ease;
}

.app-phone-container:hover {
  transform: translateY(-8px) scale(1.02);
}

@keyframes floatPhone {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* Phone Bezel & Screen */
.app-phone-screen {
  width: 100%;
  height: 100%;
  background: #f8fafc;
  border-radius: 36px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1) inset;
}

/* Phone Notch / Island */
.phone-island {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 22px;
  background: #0f172a;
  border-radius: 14px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.phone-cam-lens {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #1e293b;
  border: 1px solid #334155;
}

.phone-speaker-bar {
  width: 28px;
  height: 3px;
  background: #334155;
  border-radius: 2px;
}

/* Inside Phone App Topbar */
.phone-app-topbar {
  background: #ffffff;
  padding: 2.25rem 1rem 0.65rem;
  border-bottom: 1px solid #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.phone-app-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.phone-app-logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  object-fit: contain;
  background: #eff6ff;
  border: 1px solid rgba(34, 122, 255, 0.2);
  padding: 2px;
}

.phone-app-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.95rem;
  color: #0f172a;
}

.phone-app-name span {
  color: var(--primary);
}

.phone-app-user-pill {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  padding: 0.2rem 0.55rem;
  border-radius: 12px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--primary);
}

/* Inside Phone App Body */
.phone-app-scroll-body {
  flex: 1;
  overflow-y: auto;
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  scrollbar-width: none;
}

.phone-app-scroll-body::-webkit-scrollbar {
  display: none;
}

/* Phone Daily Sprint Card */
.phone-card-sprint {
  background: linear-gradient(135deg, #ffffff 0%, #eff6ff 100%);
  border: 1.5px solid #bfdbfe;
  border-radius: 18px;
  padding: 0.85rem;
  box-shadow: 0 4px 12px rgba(34, 122, 255, 0.08);
}

.phone-sprint-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.phone-sprint-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.7rem;
  font-weight: 800;
  color: #2563eb;
  background: #ffffff;
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
  border: 1px solid #bfdbfe;
}

.phone-sprint-timer {
  font-size: 0.75rem;
  font-weight: 800;
  color: #ef4444;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.phone-mcq-question {
  font-size: 0.78rem;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.35;
  margin-bottom: 0.5rem;
}

.phone-mcq-options {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.5rem;
}

.phone-option-btn {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  padding: 0.4rem 0.6rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: #334155;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.2s ease;
}

.phone-option-btn.selected-correct {
  background: #ecfdf5;
  border-color: #10b981;
  color: #065f46;
  font-weight: 700;
}

.phone-option-btn.selected-correct i {
  color: #10b981;
}

.phone-explanation-pill {
  background: #f0fdf4;
  border: 1px solid #86efac;
  border-radius: 8px;
  padding: 0.45rem;
  font-size: 0.68rem;
  color: #166534;
  line-height: 1.4;
  font-family: var(--font-sinhala), sans-serif;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Phone Live Paper Card */
.phone-live-paper-card {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  border-radius: 16px;
  padding: 0.85rem;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.2);
}

.phone-live-paper-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.4rem;
}

.phone-live-tag {
  background: #ef4444;
  color: #ffffff;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.phone-live-title {
  font-size: 0.8rem;
  font-weight: 800;
  margin: 0 0 0.3rem 0;
  color: #ffffff;
}

.phone-live-meta {
  font-size: 0.68rem;
  color: #94a3b8;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Phone AI Tutor Mini Bubble */
.phone-ai-tutor-box {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 0.75rem;
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
}

.phone-ai-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, #227aff 0%, #06b6d4 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  flex-shrink: 0;
}

.phone-ai-text {
  font-size: 0.7rem;
  color: #334155;
  line-height: 1.4;
  font-family: var(--font-sinhala), sans-serif;
}

/* Phone App Bottom Navigation */
.phone-app-nav {
  background: #ffffff;
  border-top: 1px solid #e2e8f0;
  padding: 0.45rem 0.85rem;
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-shrink: 0;
}

.phone-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-size: 0.62rem;
  color: #94a3b8;
  font-weight: 600;
}

.phone-nav-item.active {
  color: var(--primary);
  font-weight: 800;
}

.phone-nav-item i {
  font-size: 0.85rem;
}

/* Floating UI Badges outside Phone */
.app-floating-pill {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1.5px solid rgba(34, 122, 255, 0.25);
  border-radius: 16px;
  padding: 0.75rem 1rem;
  box-shadow: 0 12px 28px rgba(34, 122, 255, 0.18);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 4;
  pointer-events: none;
}

.app-pill-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #ffffff;
  flex-shrink: 0;
}

.app-pill-text h5 {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 800;
  color: #0f172a;
}

.app-pill-text p {
  margin: 0;
  font-size: 0.7rem;
  color: #64748b;
  font-weight: 600;
}

.pill-xp {
  top: 12%;
  left: -48px;
  animation: floatPill1 5s ease-in-out infinite;
}

.pill-xp .app-pill-icon {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.pill-ai {
  bottom: 22%;
  right: -42px;
  animation: floatPill2 6s ease-in-out infinite 1s;
}

.pill-ai .app-pill-icon {
  background: linear-gradient(135deg, #227aff 0%, #1565d8 100%);
}

.pill-exam {
  bottom: 6%;
  left: -32px;
  animation: floatPill3 5.5s ease-in-out infinite 0.5s;
}

.pill-exam .app-pill-icon {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

@keyframes floatPill1 {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-8px) rotate(1deg); }
}

@keyframes floatPill2 {
  0%, 100% { transform: translateY(0) rotate(1deg); }
  50% { transform: translateY(-10px) rotate(-1deg); }
}

@keyframes floatPill3 {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-7px) rotate(1deg); }
}

/* ==========================================================================
   Live A/L Exam Countdown Widget
   ========================================================================== */
.countdown-section {
  padding: 3rem 0;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.countdown-section::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(34, 122, 255, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.countdown-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
}

.countdown-info-box h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: #ffffff;
  margin: 0 0 0.4rem 0;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.countdown-info-box p {
  font-size: 0.95rem;
  color: #94a3b8;
  margin: 0;
  font-family: var(--font-sinhala), sans-serif;
}

.countdown-batch-selector {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.batch-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #cbd5e1;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.4rem 0.95rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.batch-btn.active,
.batch-btn:hover {
  background: #227aff;
  border-color: #227aff;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(34, 122, 255, 0.4);
}

.countdown-digits-grid {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.countdown-unit-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 1rem 1.25rem;
  min-width: 80px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  transition: transform 0.25s ease;
}

.countdown-unit-card:hover {
  transform: translateY(-3px);
  border-color: rgba(34, 122, 255, 0.5);
}

.countdown-num {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 900;
  color: #60a5fa;
  line-height: 1;
  display: block;
  margin-bottom: 0.35rem;
  text-shadow: 0 0 15px rgba(96, 165, 250, 0.4);
}

.countdown-lbl {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #94a3b8;
}

.countdown-colon {
  font-size: 1.75rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.3);
  animation: blinkColon 1.5s infinite;
}

@keyframes blinkColon {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ==========================================================================
   7 Key Features Section
   ========================================================================== */
.app-features-section {
  padding: 6rem 0;
  background: #ffffff;
}

.section-header-center {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 3.5rem;
}

.section-tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  padding: 0.35rem 0.95rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.75rem;
}

.section-main-heading {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 900;
  color: #0f172a;
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin: 0 0 0.85rem 0;
}

.section-sinhala-sub {
  font-family: var(--font-sinhala), sans-serif;
  font-size: 1.15rem;
  color: #475569;
  line-height: 1.6;
}

.features-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}

.feature-card {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: 20px;
  padding: 2rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), #06b6d4);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(34, 122, 255, 0.35);
  box-shadow: 0 20px 35px -10px rgba(34, 122, 255, 0.12);
}

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

.feature-card-icon-box {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.35rem;
  border: 1px solid #bfdbfe;
  transition: all 0.3s ease;
}

.feature-card:hover .feature-card-icon-box {
  background: linear-gradient(135deg, #227aff 0%, #1565d8 100%);
  color: #ffffff;
  transform: scale(1.05);
}

.feature-card-number {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 900;
  color: #e2e8f0;
}

.feature-card-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: #0f172a;
  margin: 0 0 0.25rem 0;
}

.feature-card-sinhala-title {
  font-family: var(--font-sinhala), sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.85rem;
}

.feature-card-desc {
  font-size: 0.925rem;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.feature-card-highlights {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: auto;
}

.feature-card-highlights li {
  font-size: 0.825rem;
  color: #334155;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sinhala), sans-serif;
}

.feature-card-highlights li i {
  color: #10b981;
  font-size: 0.85rem;
}

/* ==========================================================================
   Interactive App Feature Simulator
   ========================================================================== */
.app-simulator-section {
  padding: 5.5rem 0;
  background: #f8fafc;
  position: relative;
}

.sim-container {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: 24px;
  padding: 2.5rem;
  box-shadow: 0 20px 45px -15px rgba(15, 23, 42, 0.08);
}

.sim-tabs-row {
  display: flex;
  gap: 0.65rem;
  overflow-x: auto;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid #e2e8f0;
  margin-bottom: 2rem;
  scrollbar-width: thin;
}

.sim-tab-btn {
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 0.65rem 1.25rem;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: #475569;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  transition: all 0.25s ease;
}

.sim-tab-btn.active,
.sim-tab-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(34, 122, 255, 0.3);
}

.sim-content-pane {
  display: none;
  animation: fadeIn 0.35s ease;
}

.sim-content-pane.active {
  display: block;
}

/* MCQ Interactive Engine inside Simulator */
.sim-mcq-box {
  background: #f8fafc;
  border: 1.5px solid #cbd5e1;
  border-radius: 18px;
  padding: 1.75rem;
  max-width: 760px;
  margin: 0 auto;
}

.sim-mcq-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.sim-batch-tag {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #2563eb;
  padding: 0.3rem 0.75rem;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 800;
}

.sim-timer-pill {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #ef4444;
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.sim-question-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: #0f172a;
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

.sim-question-sinhala {
  font-family: var(--font-sinhala), sans-serif;
  font-size: 1.05rem;
  color: #334155;
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.sim-options-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.sim-option-card {
  background: #ffffff;
  border: 1.5px solid #cbd5e1;
  border-radius: 12px;
  padding: 0.85rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: #1e293b;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.2s ease;
}

.sim-option-card:hover {
  border-color: var(--primary);
  background: #eff6ff;
}

.sim-option-card.correct {
  background: #ecfdf5;
  border-color: #10b981;
  color: #065f46;
  font-weight: 700;
}

.sim-option-card.wrong {
  background: #fef2f2;
  border-color: #ef4444;
  color: #991b1b;
}

.sim-explanation-panel {
  background: #f0fdf4;
  border: 1.5px solid #86efac;
  border-radius: 14px;
  padding: 1.25rem;
  margin-top: 1rem;
  font-family: var(--font-sinhala), sans-serif;
  font-size: 0.95rem;
  color: #166534;
  line-height: 1.6;
}

/* ==========================================================================
   App Specifications Table
   ========================================================================== */
.app-specs-section {
  padding: 5.5rem 0;
  background: #ffffff;
}

.specs-card-table {
  max-width: 900px;
  margin: 0 auto;
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 15px 35px -10px rgba(15, 23, 42, 0.07);
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.specs-table th {
  background: #f8fafc;
  padding: 1.15rem 1.75rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 800;
  color: #0f172a;
  border-bottom: 2px solid #e2e8f0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.specs-table td {
  padding: 1.15rem 1.75rem;
  border-bottom: 1px solid #e2e8f0;
  font-size: 0.95rem;
  color: #334155;
  vertical-align: middle;
}

.specs-table tr:last-child td {
  border-bottom: none;
}

.specs-table tr:hover td {
  background: #f8fafc;
}

.specs-label {
  font-weight: 700;
  color: #0f172a;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.specs-badge-val {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: var(--primary);
  padding: 0.25rem 0.65rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.85rem;
}

/* ==========================================================================
   Step-by-Step Installation Guide
   ========================================================================== */
.app-install-section {
  padding: 6rem 0;
  background: radial-gradient(circle at 50% 10%, rgba(34, 122, 255, 0.05) 0%, rgba(255, 255, 255, 0) 70%),
              linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.install-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.75rem;
  position: relative;
  margin-top: 2rem;
}

.install-step-card {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: 20px;
  padding: 2.25rem 1.75rem;
  position: relative;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
}

.install-step-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 16px 30px rgba(34, 122, 255, 0.1);
}

.install-step-num {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #227aff 0%, #1565d8 100%);
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  box-shadow: 0 6px 16px rgba(34, 122, 255, 0.3);
}

.install-step-card h4 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: #0f172a;
  margin: 0 0 0.3rem 0;
}

.install-step-sinhala {
  font-family: var(--font-sinhala), sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.install-step-card p {
  font-size: 0.9rem;
  color: #64748b;
  line-height: 1.6;
  margin: 0;
}

/* ==========================================================================
   Download Center & QR Code Station
   ========================================================================== */
.app-download-station-section {
  padding: 6rem 0;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.download-station-wrapper {
  background: rgba(255, 255, 255, 0.04);
  border: 1.5px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 28px;
  padding: 3.5rem 3rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.station-info-col h2 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 900;
  color: #ffffff;
  margin: 0 0 0.75rem 0;
}

.station-sinhala-lead {
  font-family: var(--font-sinhala), sans-serif;
  font-size: 1.15rem;
  color: #93c5fd;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.station-features-check {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2.25rem;
}

.station-check-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: #cbd5e1;
}

.station-check-item i {
  color: #10b981;
}

/* QR Code Station Card */
.station-qr-card {
  background: #ffffff;
  border-radius: 24px;
  padding: 2rem;
  text-align: center;
  color: #0f172a;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.qr-box-wrap {
  background: #f8fafc;
  border: 1.5px solid #e2e8f0;
  border-radius: 16px;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  display: inline-block;
  position: relative;
}

.qr-code-img {
  width: 170px;
  height: 170px;
  display: block;
}

.qr-scan-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--primary);
  background: #eff6ff;
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  margin-bottom: 0.5rem;
}

/* Responsive Rules */
@media (max-width: 991px) {
  .app-hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .app-hero-title {
    font-size: 2.5rem;
  }

  .download-station-wrapper {
    grid-template-columns: 1fr;
    padding: 2.5rem 1.75rem;
  }

  .app-mockup-column {
    margin-top: 2rem;
  }
}

@media (max-width: 640px) {
  .app-hero-title {
    font-size: 2rem;
  }

  .app-phone-container {
    width: 290px;
    height: 600px;
  }

  .pill-xp {
    left: -10px;
    top: 5%;
  }

  .pill-ai {
    right: -10px;
    bottom: 15%;
  }

  .pill-exam {
    display: none;
  }

  .countdown-digits-grid {
    gap: 0.5rem;
  }

  .countdown-unit-card {
    min-width: 65px;
    padding: 0.75rem 0.5rem;
  }

  .countdown-num {
    font-size: 1.6rem;
  }

  .sim-container {
    padding: 1.5rem 1rem;
  }
}

/* ==========================================================================
   Hero App Icon Spotlight & Balanced Wide Feature Card
   ========================================================================== */
.app-hero-brand-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 0.5rem;
}

.app-hero-icon-card {
  width: 92px;
  height: 92px;
  border-radius: 22px;
  background: #ffffff !important;
  padding: 10px;
  border: 1.5px solid rgba(34, 122, 255, 0.22);
  box-shadow: 0 14px 34px rgba(34, 122, 255, 0.2), 0 2px 6px rgba(15, 23, 42, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex-shrink: 0;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease;
  isolation: isolate;
  overflow: visible;
}

.app-hero-icon-card:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 18px 40px rgba(34, 122, 255, 0.28), 0 4px 10px rgba(15, 23, 42, 0.08);
}

.app-hero-icon-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  filter: drop-shadow(0 2px 6px rgba(34, 122, 255, 0.16));
}

.app-hero-icon-glow {
  position: absolute;
  inset: -6px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(34, 122, 255, 0.35), rgba(6, 182, 212, 0.25));
  z-index: -1;
  filter: blur(14px);
  pointer-events: none;
}

@media (min-width: 992px) {
  .feature-card.feature-card-wide {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 2.5rem;
    padding: 2.25rem 3rem;
    background: linear-gradient(135deg, #ffffff 0%, #f0fdf4 50%, #eff6ff 100%);
    border: 1.5px solid #86efac;
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.08);
  }

  .feature-card.feature-card-wide .feature-card-icon-box {
    width: 68px;
    height: 68px;
    font-size: 1.85rem;
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    color: #059669;
    flex-shrink: 0;
  }

  .feature-card.feature-card-wide .feature-card-body {
    flex: 1;
  }

  .feature-card.feature-card-wide .feature-card-highlights {
    flex-shrink: 0;
    min-width: 320px;
    margin: 0;
  }
}

/* ==========================================================================
   WebApp & PWA Showcase Additions (app.edupeak.lk)
   ========================================================================== */
.phone-url-bar {
  position: absolute;
  top: 36px;
  left: 12px;
  right: 12px;
  z-index: 9;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid #e2e8f0;
  border-radius: 9999px;
  padding: 5px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.72rem;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
}

.phone-url-bar-link {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #0f172a;
  font-weight: 700;
  font-family: var(--font-heading);
  text-decoration: none;
}

.phone-url-bar-badge {
  background: #eff6ff;
  color: #2563eb;
  border: 1px solid #bfdbfe;
  font-size: 0.62rem;
  padding: 1px 7px;
  border-radius: 9999px;
  font-weight: 800;
  letter-spacing: 0.3px;
}

.phone-screen-scroll-container {
  width: 100%;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  padding-top: 68px;
  border-radius: 34px;
  scrollbar-width: none;
}

.phone-screen-scroll-container::-webkit-scrollbar {
  display: none;
}

.phone-webapp-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0 0 34px 34px;
}

/* PWA Platform Switcher Tabs */
.pwa-platform-tabs {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.pwa-tab-btn {
  background: #ffffff;
  border: 1.5px solid #cbd5e1;
  color: #334155;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 0.65rem 1.4rem;
  border-radius: 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.25s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.pwa-tab-btn.active,
.pwa-tab-btn:hover {
  background: #2563eb;
  border-color: #2563eb;
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
  transform: translateY(-2px);
}

.pwa-steps-container {
  display: none;
}

.pwa-steps-container.active {
  display: block;
  animation: fadeInPane 0.4s ease;
}

@keyframes fadeInPane {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.app-domain-spotlight {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(37, 99, 235, 0.1);
  border: 1.5px solid rgba(37, 99, 235, 0.25);
  color: #1d4ed8;
  font-weight: 800;
  font-size: 1.05rem;
  padding: 0.4rem 1.15rem;
  border-radius: 10px;
  font-family: var(--font-heading);
}

.app-domain-spotlight i {
  color: #10b981;
}