/* ==========================================================================
   VOLTAS SERVICE & SMART CARE - DESIGN SYSTEM & STYLESHEET
   Brand: Voltas Limited (A TATA Enterprise)
   Theme: High-Tech Cooling Cyber-Navy & Ice Cyan Glassmorphism
   Note: Header menu & Pricing removed as per user instruction.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Brand Palette */
  --tata-blue: #004F9E;
  --voltas-blue: #0066CC;
  --voltas-blue-bright: #0084FF;
  --ice-cyan: #00D2FF;
  --ice-cyan-glow: rgba(0, 210, 255, 0.35);
  --ice-frost: #E0F2FE;
  
  /* Accent / Festive Highlights */
  --festive-gold: #FFB300;
  --festive-orange: #FF5722;
  --festive-gradient: linear-gradient(135deg, #FF9100 0%, #FF3D00 100%);
  --success-emerald: #00E676;
  --success-glow: rgba(0, 230, 118, 0.3);

  /* Backgrounds & Glassmorphism */
  --bg-deep: #050B14;
  --bg-surface: #0A1424;
  --bg-card: rgba(13, 26, 48, 0.75);
  --bg-card-hover: rgba(18, 36, 66, 0.85);
  --border-glass: rgba(0, 210, 255, 0.16);
  --border-glass-bright: rgba(0, 210, 255, 0.38);

  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Text Colors */
  --text-white: #FFFFFF;
  --text-primary: #F0F6FC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-cyan: #38BDF8;

  /* Shadows & Glows */
  --glow-primary: 0 0 35px rgba(0, 102, 204, 0.45);
  --glow-cyan: 0 0 30px rgba(0, 210, 255, 0.4);
  --glow-festive: 0 0 30px rgba(255, 145, 0, 0.45);
  --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.6);
  --shadow-floating: 0 25px 50px -12px rgba(0, 79, 158, 0.35);

  /* Geometry & Timing */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --radius-pill: 9999px;
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  background: radial-gradient(circle at 50% -20%, rgba(0, 79, 158, 0.28), transparent 70%),
              radial-gradient(circle at 85% 40%, rgba(0, 210, 255, 0.08), transparent 50%),
              radial-gradient(circle at 10% 80%, rgba(0, 102, 204, 0.12), transparent 60%),
              var(--bg-deep);
  background-attachment: fixed;
  line-height: 1.6;
}

/* Typography Defaults */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-white);
  line-height: 1.2;
  font-weight: 700;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
}

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

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   ANNOUNCEMENT TOP BAR
   ========================================================================== */
.announcement-bar {
  background: linear-gradient(90deg, #004F9E 0%, #0077E6 50%, #00B4D8 100%);
  background-size: 200% 100%;
  animation: gradientShift 6s ease infinite;
  color: #FFFFFF;
  padding: 10px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  position: relative;
  z-index: 100;
  box-shadow: 0 2px 14px rgba(0, 119, 230, 0.35);
}

.announcement-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.festive-pill {
  background: #FFF;
  color: #004F9E;
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}

.announcement-timer {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 0, 0, 0.25);
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-size: 0.82rem;
}

/* ==========================================================================
   CLEAN MINIMAL HEADER (NO MENU)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(6, 13, 26, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  transition: all var(--transition-smooth);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo-img {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  border: 1px solid var(--ice-cyan);
  box-shadow: var(--glow-cyan);
  object-fit: cover;
}

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

.brand-title {
  font-size: 1.55rem;
  font-weight: 900;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, #FFFFFF 30%, var(--ice-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tata-badge {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--ice-cyan);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-hotline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  font-size: 0.88rem;
  font-weight: 600;
  transition: all var(--transition-smooth);
}

.btn-hotline:hover {
  background: rgba(0, 210, 255, 0.1);
  border-color: var(--ice-cyan);
  color: var(--ice-cyan);
}

.btn-nav-download {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 24px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--voltas-blue) 0%, var(--ice-cyan) 100%);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.92rem;
  box-shadow: 0 4px 20px rgba(0, 132, 255, 0.4);
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn-nav-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 210, 255, 0.55);
}

/* ==========================================================================
   HERO SECTION (WITH EMBEDDED BRAND)
   ========================================================================== */
.brand-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
  background: rgba(13, 26, 48, 0.7);
  border: 1px solid var(--border-glass-bright);
  padding: 8px 20px 8px 10px;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4), var(--glow-cyan);
}

.hero-section {
  position: relative;
  padding: 60px 0 100px;
  overflow: hidden;
}

.hero-glow-orb-1 {
  position: absolute;
  top: -10%;
  left: 15%;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 114, 206, 0.3) 0%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.hero-glow-orb-2 {
  position: absolute;
  top: 30%;
  right: 5%;
  width: 550px;
  height: 550px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 210, 255, 0.18) 0%, transparent 70%);
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 56px;
  position: relative;
  z-index: 1;
}

/* Left Hero Content */
.hero-badge-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.verified-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: rgba(0, 210, 255, 0.08);
  border: 1px solid var(--border-glass-bright);
  color: var(--ice-cyan);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.4px;
  box-shadow: 0 0 15px rgba(0, 210, 255, 0.15);
}

.radar-dot {
  width: 8px;
  height: 8px;
  background-color: var(--success-emerald);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 0 0 rgba(0, 230, 118, 0.7);
  animation: pulse-green 1.8s infinite;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.1;
  font-weight: 900;
  margin-bottom: 22px;
  letter-spacing: -0.5px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #FFFFFF 10%, #7DD3FC 60%, var(--ice-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
}

.hero-title .highlight-orange {
  color: #38BDF8;
  text-shadow: 0 0 25px rgba(56, 189, 248, 0.35);
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 34px;
  max-width: 580px;
  font-weight: 400;
  line-height: 1.7;
}

/* Hero Download Box & Actions */
.hero-cta-wrapper {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 38px;
}

.cta-button-group {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.btn-primary-download {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 16px 36px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #0056B3 0%, #0077E6 50%, #00B4D8 100%);
  color: #FFFFFF;
  font-family: var(--font-heading);
  box-shadow: 0 10px 35px rgba(0, 119, 230, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.2) inset;
  transition: all var(--transition-bounce);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.btn-primary-download::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transition: 0.6s;
}

.btn-primary-download:hover::before {
  left: 100%;
}

.btn-primary-download:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 16px 45px rgba(0, 180, 216, 0.6), 0 0 0 2px rgba(0, 210, 255, 0.5) inset;
}

.btn-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.16);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.btn-text-box {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.btn-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.3px;
  line-height: 1.2;
}

.btn-meta {
  font-size: 0.8rem;
  color: var(--ice-frost);
  font-weight: 500;
  opacity: 0.95;
}

.btn-qr-scan {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  border-radius: var(--radius-lg);
  background: rgba(13, 26, 48, 0.8);
  border: 1px solid var(--border-glass-bright);
  color: var(--text-white);
  font-weight: 600;
  font-size: 0.96rem;
  transition: all var(--transition-smooth);
}

.btn-qr-scan:hover {
  background: rgba(0, 210, 255, 0.12);
  border-color: var(--ice-cyan);
  transform: translateY(-2px);
  color: var(--ice-cyan);
}

/* Security Trust Badges */
.security-trust-strip {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.security-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.security-badge svg {
  color: var(--success-emerald);
  flex-shrink: 0;
}

/* Social Proof Metric Counters */
.hero-metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--border-glass);
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-number {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: #FFFFFF;
}

.metric-label {
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Right Hero Phone Showcase */
.hero-phone-col {
  position: relative;
  display: flex;
  justify-content: center;
}

.phone-card-container {
  position: relative;
  width: 100%;
  max-width: 380px;
  perspective: 1200px;
}

.phone-mockup-frame {
  position: relative;
  border-radius: 44px;
  padding: 10px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.22) 0%, rgba(0, 210, 255, 0.15) 50%, rgba(0, 50, 100, 0.5) 100%);
  box-shadow: var(--shadow-card), 0 0 45px rgba(0, 114, 206, 0.4);
  animation: float-y 5s ease-in-out infinite;
}

.phone-mockup-img {
  width: 100%;
  border-radius: 36px;
  display: block;
  box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.8);
}

/* Floating Badges Around Phone */
.floating-badge {
  position: absolute;
  z-index: 10;
  background: rgba(10, 20, 36, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-glass-bright);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  box-shadow: var(--shadow-card);
  animation: float-badge 4s ease-in-out infinite alternate;
}

.badge-top-left {
  top: 12%;
  left: -32px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.badge-mid-right {
  top: 48%;
  right: -28px;
  animation-delay: 1.5s;
}

.badge-bottom-left {
  bottom: 8%;
  left: -24px;
  animation-delay: 2.5s;
}

.badge-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--tata-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: #FFF;
  border: 2px solid var(--success-emerald);
}

.badge-text-primary {
  font-size: 0.82rem;
  font-weight: 700;
  color: #FFF;
}

.badge-text-secondary {
  font-size: 0.72rem;
  color: var(--ice-cyan);
}

/* ==========================================================================
   FESTIVE PROMO BANNER SECTION (ATTRACTIVE & NO PRICING)
   ========================================================================== */
.festive-banner-section {
  padding: 40px 0 60px;
}

.festive-card-wrapper {
  background: linear-gradient(135deg, rgba(20, 30, 55, 0.9) 0%, rgba(10, 22, 42, 0.85) 50%, rgba(15, 35, 65, 0.95) 100%);
  border: 1px solid var(--border-glass-bright);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 25px 60px -15px rgba(0, 114, 206, 0.3), var(--shadow-card);
  position: relative;
}

.festive-card-wrapper::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 210, 255, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.festive-inner-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  align-items: center;
}

.festive-banner-image-box {
  position: relative;
  height: 100%;
  min-height: 380px;
  overflow: hidden;
}

.festive-banner-image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.festive-banner-image-box:hover img {
  transform: scale(1.03);
}

.festive-content-box {
  padding: 44px 40px;
}

.festive-tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(0, 210, 255, 0.12);
  border: 1px solid var(--border-glass-bright);
  color: var(--ice-cyan);
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.festive-headline {
  font-size: 2.3rem;
  line-height: 1.15;
  margin-bottom: 14px;
  color: #FFF;
}

.festive-headline .golden {
  color: var(--ice-cyan);
  text-shadow: 0 0 20px rgba(0, 210, 255, 0.4);
}

.festive-perks-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 24px 0 32px;
}

.perk-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: #E2E8F0;
}

.perk-item svg {
  color: var(--success-emerald);
  flex-shrink: 0;
}

.festive-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-claim-festive {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  background: linear-gradient(135deg, var(--voltas-blue) 0%, var(--ice-cyan) 100%);
  color: #FFF;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--glow-cyan);
  transition: all var(--transition-bounce);
}

.btn-claim-festive:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(0, 210, 255, 0.5);
}

/* ==========================================================================
   SERVICES SECTION (CAPABILITIES ONLY, NO PRICING)
   ========================================================================== */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: rgba(0, 210, 255, 0.1);
  border: 1px solid var(--border-glass);
  color: var(--ice-cyan);
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 14px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.services-filter-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 38px;
}

.filter-btn {
  padding: 10px 20px;
  background: rgba(13, 26, 48, 0.7);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: #FFF;
  border-color: var(--ice-cyan);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--tata-blue) 0%, var(--voltas-blue-bright) 100%);
  color: #FFF;
  border-color: var(--ice-cyan);
  box-shadow: var(--glow-primary);
}

.services-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 26px;
  margin-bottom: 50px;
}

.service-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--ice-cyan);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-card), var(--glow-cyan);
}

.card-top-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.service-icon-box {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: rgba(0, 210, 255, 0.12);
  border: 1px solid var(--border-glass-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ice-cyan);
  font-size: 1.4rem;
}

.popular-badge {
  background: rgba(0, 210, 255, 0.16);
  border: 1px solid var(--ice-cyan);
  color: var(--ice-cyan);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
}

.duration-badge {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 600;
  background: rgba(255, 255, 255, 0.05);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
}

.service-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.service-subtitle {
  font-size: 0.85rem;
  color: var(--ice-cyan);
  font-weight: 500;
  margin-bottom: 14px;
}

.service-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 20px;
}

.service-highlights {
  list-style: none;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.highlight-point {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: #CBD5E1;
}

.highlight-point svg {
  color: var(--success-emerald);
  flex-shrink: 0;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  border-top: 1px solid var(--border-glass);
}

.service-perk-badge {
  display: flex;
  align-items: center;
}

.warranty-badge {
  font-size: 0.82rem;
  font-weight: 600;
  color: #A5F3FC;
  background: rgba(0, 210, 255, 0.08);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(0, 210, 255, 0.2);
}

.btn-book-service {
  padding: 10px 20px;
  border-radius: var(--radius-md);
  background: rgba(0, 210, 255, 0.12);
  border: 1px solid var(--ice-cyan);
  color: var(--ice-cyan);
  font-weight: 700;
  font-size: 0.88rem;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-book-service:hover {
  background: var(--ice-cyan);
  color: #050B14;
  box-shadow: var(--glow-cyan);
}

/* ==========================================================================
   APP FEATURES GRID (INSIDE THE APP)
   ========================================================================== */
.features-section {
  padding: 80px 0;
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-box {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition-smooth);
}

.feature-box:hover {
  transform: translateY(-8px);
  border-color: var(--ice-cyan);
  box-shadow: var(--shadow-card), 0 0 30px rgba(0, 210, 255, 0.18);
}

.feature-icon-container {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(0, 79, 158, 0.5) 0%, rgba(0, 210, 255, 0.25) 100%);
  border: 1px solid var(--border-glass-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ice-cyan);
  font-size: 1.5rem;
  margin-bottom: 22px;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-description {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   COMPATIBILITY CHECKER & INSTALLATION GUIDE
   ========================================================================== */
.compat-guide-section {
  padding: 80px 0;
}

.split-guide-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}

.guide-card, .compat-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 38px;
}

.steps-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 28px;
}

.step-card-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.step-number {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--tata-blue) 0%, var(--ice-cyan) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  color: #FFF;
  flex-shrink: 0;
  box-shadow: var(--glow-cyan);
}

.step-content h4 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.step-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* Compatibility Tool */
.compat-checker-box {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.compat-field label {
  display: block;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.custom-select {
  width: 100%;
  padding: 14px 18px;
  background: rgba(6, 13, 26, 0.85);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: #FFF;
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.custom-select:focus {
  border-color: var(--ice-cyan);
  box-shadow: 0 0 0 3px rgba(0, 210, 255, 0.15);
}

.compat-result-box {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 20px;
  min-height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.95rem;
}

.compat-status-ready {
  color: var(--success-emerald);
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
}

/* ==========================================================================
   DOWNLOAD HUB & TECHNICAL SPECS
   ========================================================================== */
.specs-section {
  padding: 80px 0;
}

.specs-hub-card {
  background: linear-gradient(135deg, rgba(8, 20, 38, 0.95) 0%, rgba(12, 30, 56, 0.95) 100%);
  border: 1px solid var(--border-glass-bright);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-card);
}

.specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

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

.specs-table tr {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.specs-table td {
  padding: 14px 10px;
  font-size: 0.92rem;
}

.specs-label {
  color: var(--text-secondary);
  font-weight: 500;
  width: 38%;
}

.specs-value {
  color: #FFF;
  font-weight: 600;
}

.hash-copy-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hash-code {
  font-family: monospace;
  font-size: 0.78rem;
  background: rgba(0, 0, 0, 0.4);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  color: var(--ice-cyan);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn-copy-hash {
  background: transparent;
  color: var(--text-secondary);
  padding: 4px;
  font-size: 0.85rem;
  transition: color var(--transition-fast);
}

.btn-copy-hash:hover {
  color: var(--ice-cyan);
}

/* Right QR and Big Download CTA */
.download-action-box {
  background: rgba(6, 13, 26, 0.7);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.qr-code-holder {
  width: 160px;
  height: 160px;
  background: #FFF;
  border-radius: var(--radius-md);
  padding: 10px;
  margin-bottom: 20px;
  box-shadow: 0 0 25px rgba(0, 210, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-code-holder svg {
  width: 100%;
  height: 100%;
}

.download-hub-btn {
  width: 100%;
  padding: 16px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--voltas-blue) 0%, var(--ice-cyan) 100%);
  color: #FFF;
  font-weight: 800;
  font-size: 1.05rem;
  margin-bottom: 12px;
  box-shadow: var(--glow-cyan);
  transition: all var(--transition-bounce);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.download-hub-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 210, 255, 0.5);
}

.mirror-link {
  font-size: 0.84rem;
  color: var(--text-secondary);
  text-decoration: underline;
  transition: color var(--transition-fast);
}

.mirror-link:hover {
  color: var(--ice-cyan);
}

/* ==========================================================================
   TESTIMONIALS / REVIEWS
   ========================================================================== */
.reviews-section {
  padding: 80px 0;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.review-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.review-user-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.user-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--tata-blue) 0%, var(--voltas-blue-bright) 100%);
  color: #FFF;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}

.user-name {
  font-size: 0.98rem;
  font-weight: 700;
}

.user-loc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.stars-rating {
  color: #FFB300;
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.review-text {
  font-size: 0.9rem;
  color: #CBD5E1;
  line-height: 1.55;
  margin-bottom: 16px;
}

.appliance-tag {
  font-size: 0.78rem;
  color: var(--ice-cyan);
  background: rgba(0, 210, 255, 0.08);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  align-self: flex-start;
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */
.faq-section {
  padding: 80px 0;
}

.faq-accordion {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--ice-cyan);
}

.faq-question-btn {
  width: 100%;
  padding: 20px 24px;
  background: transparent;
  color: #FFF;
  font-size: 1.05rem;
  font-weight: 700;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-icon-chevron {
  font-size: 1.2rem;
  color: var(--ice-cyan);
  transition: transform var(--transition-smooth);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 24px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 22px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #03070E;
  border-top: 1px solid var(--border-glass);
  padding: 70px 0 40px;
  margin-top: 80px;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 14px;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 1.05rem;
  margin-bottom: 20px;
  color: #FFF;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--ice-cyan);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.84rem;
  color: var(--text-muted);
}

/* ==========================================================================
   STICKY MOBILE BOTTOM DOWNLOAD BAR
   ========================================================================== */
.sticky-mobile-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(6, 13, 26, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-glass-bright);
  padding: 12px 16px;
  z-index: 1000;
  box-shadow: 0 -5px 25px rgba(0, 0, 0, 0.7);
}

.mobile-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.mobile-app-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mobile-app-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
}

.mobile-app-texts {
  display: flex;
  flex-direction: column;
}

.mobile-app-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: #FFF;
}

.mobile-app-sub {
  font-size: 0.72rem;
  color: var(--ice-cyan);
}

.btn-mobile-download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: linear-gradient(135deg, var(--voltas-blue) 0%, var(--ice-cyan) 100%);
  color: #FFF;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.88rem;
  box-shadow: var(--glow-cyan);
}

/* ==========================================================================
   DOWNLOAD POPUP MODAL & TOAST
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal-overlay.open {
  display: flex;
  opacity: 1;
}

.download-modal-box {
  background: linear-gradient(145deg, #0A182F 0%, #071224 100%);
  border: 1px solid var(--border-glass-bright);
  border-radius: var(--radius-xl);
  max-width: 500px;
  width: 100%;
  padding: 36px;
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.8), var(--glow-primary);
  text-align: center;
  position: relative;
  transform: scale(0.9);
  transition: transform 0.3s var(--transition-bounce);
}

.modal-overlay.open .download-modal-box {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  background: rgba(255, 255, 255, 0.1);
  color: #FFF;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.modal-app-logo {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  margin: 0 auto 16px;
  box-shadow: var(--glow-cyan);
  border: 2px solid var(--ice-cyan);
}

.modal-title {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.modal-subtitle {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 24px;
}

/* Progress bar */
.download-progress-container {
  width: 100%;
  height: 10px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-pill);
  overflow: hidden;
  margin-bottom: 12px;
  position: relative;
}

.download-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--voltas-blue) 0%, var(--ice-cyan) 100%);
  border-radius: var(--radius-pill);
  transition: width 0.1s linear;
}

.download-status-text {
  display: flex;
  justify-content: space-between;
  font-size: 0.84rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.install-tips-box {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 18px;
  text-align: left;
  font-size: 0.85rem;
}

.install-tips-box h5 {
  color: var(--ice-cyan);
  font-size: 0.9rem;
  margin-bottom: 8px;
}

/* Toast */
.toast-notice {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: #0B192C;
  border: 1px solid var(--ice-cyan);
  color: #FFF;
  padding: 14px 22px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card), var(--glow-cyan);
  font-size: 0.9rem;
  font-weight: 600;
  z-index: 3000;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s var(--transition-bounce);
  display: flex;
  align-items: center;
  gap: 10px;
}

.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
}

/* Confetti canvas */
#confetti-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2500;
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */
@keyframes float-y {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(0.5deg); }
}

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

@keyframes pulse-green {
  0% { box-shadow: 0 0 0 0 rgba(0, 230, 118, 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(0, 230, 118, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 230, 118, 0); }
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ==========================================================================
   RESPONSIVENESS (MOBILE & TABLET)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-description {
    margin: 0 auto 30px;
  }

  .cta-button-group {
    justify-content: center;
  }

  .security-trust-strip {
    justify-content: center;
  }

  .hero-metrics-grid {
    max-width: 500px;
    margin: 0 auto;
  }

  .hero-phone-col {
    margin-top: 20px;
  }

  .festive-inner-grid {
    grid-template-columns: 1fr;
  }

  .festive-banner-image-box {
    min-height: 280px;
  }

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

  .split-guide-grid {
    grid-template-columns: 1fr;
  }

  .specs-grid {
    grid-template-columns: 1fr;
  }

  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .btn-hotline {
    display: none;
  }

  .hero-title {
    font-size: 2.4rem;
  }

  .festive-perks-list {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .sticky-mobile-bar {
    display: block;
  }

  body {
    padding-bottom: 74px;
  }

  .footer-top-grid {
    grid-template-columns: 1fr;
  }

  .floating-badge {
    display: none;
  }
}