/* =====================================================
   NexaHome Technologies — Custom Stylesheet
   Stack: Bootstrap 5 + Custom CSS
   Theme: Dark / Futuristic / Premium Tech
   ===================================================== */

/* ----- CUSTOM PROPERTIES ----- */
:root {
  --clr-bg:          #071A1E;
  --clr-bg-alt:      #091F24;
  --clr-card:        #0C2830;
  --clr-card-hover:  #0F3038;
  --clr-accent:      #14B8BE;
  --clr-accent-glow: rgba(20, 184, 190, 0.35);
  --clr-accent-2:    #1DDDE5;
  --clr-cyan:        #20ECF5;
  --clr-purple:      #0B5A64;
  --clr-text:        #DFF0F2;
  --clr-text-muted:  #6B9EA8;
  --clr-border:      rgba(20, 184, 190, 0.18);
  --clr-white:       #ffffff;

  --ff-heading:  'Outfit', sans-serif;
  --ff-body:     'DM Sans', sans-serif;

  --radius-sm:   8px;
  --radius-md:   14px;
  --radius-lg:   20px;
  --radius-xl:   28px;

  --shadow-card: 0 4px 24px rgba(0,0,0,0.35);
  --shadow-glow: 0 0 30px var(--clr-accent-glow);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ----- RESET & BASE ----- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--ff-body);
  background-color: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--ff-heading);
  color: var(--clr-white);
  line-height: 1.25;
}

a { transition: var(--transition); }

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

::selection {
  background: var(--clr-accent);
  color: var(--clr-white);
}

/* ----- SCROLLBAR ----- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb { background: var(--clr-accent); border-radius: 3px; }

/* =====================================================
   UTILITIES
   ===================================================== */

.section-padding { padding: 100px 0; }

.section-alt { background-color: var(--clr-bg-alt); }

.section-badge {
  display: inline-block;
  font-family: var(--ff-heading);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-accent-2);
  background: rgba(0, 196, 255, 0.08);
  border: 1px solid rgba(0, 196, 255, 0.25);
  padding: 5px 16px;
  border-radius: 100px;
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--clr-white);
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--clr-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.text-gradient {
  background: linear-gradient(135deg, #1DDDE5, var(--clr-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-accent {
  color: var(--clr-accent-2);
  -webkit-text-fill-color: var(--clr-accent-2);
}

/* ----- REVEAL ANIMATION ----- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ----- FADE IN (hero) ----- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in-up {
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
}

/* =====================================================
   NAVBAR
   ===================================================== */

#mainNavbar {
  padding: 18px 0;
  background: transparent;
  transition: background 0.4s ease, padding 0.4s ease, box-shadow 0.4s ease;
  z-index: 1000;
}

#mainNavbar.scrolled {
  background: rgba(10, 22, 40, 0.97);
  backdrop-filter: blur(12px);
  padding: 10px 0;
  box-shadow: 0 2px 30px rgba(0, 87, 255, 0.15);
  border-bottom: 1px solid var(--clr-border);
}

.navbar-brand__icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--clr-accent), #0B5A64);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: white;
  box-shadow: 0 0 14px var(--clr-accent-glow);
  flex-shrink: 0;
}

/* Logo image variant */
.navbar-brand__logo-img {
  height: 54px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(20, 184, 190, 0.55)) brightness(1.1);
  transition: filter 0.3s ease;
}
.navbar-brand__logo-img:hover {
  filter: drop-shadow(0 0 14px rgba(20, 184, 190, 0.85)) brightness(1.15);
}

.navbar-brand__text {
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: 1;
}

.brand-line1 {
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  font-size: 1.05rem;
  letter-spacing: 0.18em;
  color: var(--clr-white);
  line-height: 1.1;
}

.brand-line2 {
  font-family: 'Outfit', sans-serif;
  font-weight: 400;
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  color: var(--clr-accent-2);
  line-height: 1.3;
}

.nav-link {
  font-family: var(--ff-heading);
  font-weight: 500;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.78) !important;
  padding: 8px 12px !important;
  border-radius: 8px;
  letter-spacing: 0.01em;
}
.nav-link:hover, .nav-link.active {
  color: var(--clr-white) !important;
  background: rgba(0, 87, 255, 0.12);
}

/* Bootstrap primary button override */
.btn-primary {
  background: linear-gradient(135deg, var(--clr-accent), #0B8A90);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--ff-heading);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: var(--transition);
  box-shadow: 0 4px 18px rgba(20, 184, 190, 0.3);
  color: white;
}
.btn-primary:hover, .btn-primary:focus {
  background: linear-gradient(135deg, #1DDDE5, var(--clr-accent));
  box-shadow: 0 6px 28px rgba(20, 184, 190, 0.5);
  transform: translateY(-2px);
  color: white;
}
.btn-outline-primary {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  font-family: var(--ff-heading);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.btn-outline-primary:hover {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: white;
  box-shadow: 0 4px 20px var(--clr-accent-glow);
  transform: translateY(-2px);
}
.btn-outline-light {
  border-color: rgba(255,255,255,0.35);
  color: white;
  font-family: var(--ff-heading);
  font-weight: 600;
  border-radius: var(--radius-sm);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
  color: white;
  transform: translateY(-2px);
}

/* =====================================================
   HERO SECTION
   ===================================================== */

.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(20, 184, 190, 0.2) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(29, 221, 229, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 80%, rgba(11, 90, 100, 0.18) 0%, transparent 50%),
    var(--clr-bg);
  background-size: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 30%, rgba(10,22,40,0.6) 100%);
  pointer-events: none;
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-heading);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-cyan);
  background: rgba(0, 240, 255, 0.07);
  border: 1px solid rgba(0, 240, 255, 0.2);
  padding: 7px 18px;
  border-radius: 100px;
  margin-bottom: 22px;
}
.hero-badge i { color: var(--clr-accent); }

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
  color: var(--clr-white);
}

.hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: rgba(255,255,255,0.72);
  max-width: 560px;
  margin-bottom: 32px;
  line-height: 1.75;
}

.hero-ctas .btn { border-radius: 50px; }

.hero-stats {
  border-top: 1px solid var(--clr-border);
  padding-top: 28px;
}
.hero-stat {
  display: flex;
  flex-direction: column;
}
.hero-stat__num {
  font-family: var(--ff-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--clr-white);
  line-height: 1;
}
.hero-stat__label {
  font-size: 0.8rem;
  color: var(--clr-text-muted);
  margin-top: 4px;
  letter-spacing: 0.04em;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--clr-text-muted);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  z-index: 2;
}
.hero-scroll-indicator__line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--clr-accent), transparent);
  animation: scrollPulse 1.8s ease infinite;
}
@keyframes scrollPulse {
  0%,100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.1); }
}

/* Particles */
.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--clr-accent);
  animation: particleFloat linear infinite;
  opacity: 0;
}
@keyframes particleFloat {
  0%   { opacity: 0; transform: translateY(0) scale(0); }
  10%  { opacity: 0.8; transform: translateY(-20px) scale(1); }
  90%  { opacity: 0.5; }
  100% { opacity: 0; transform: translateY(-200px) scale(0.5); }
}

/* =====================================================
   SERVICES SECTION
   ===================================================== */

.service-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--clr-accent), transparent);
  opacity: 0;
  transition: var(--transition);
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow), var(--shadow-card);
  border-color: rgba(0, 87, 255, 0.4);
}
.service-card:hover::before { opacity: 1; }

.service-card--featured {
  background: linear-gradient(145deg, #0d2f33, #0C2830);
  border-color: rgba(20, 184, 190, 0.4);
}
.service-card--featured::before { opacity: 1; }

.service-card__badge {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-accent-2);
  background: rgba(0, 196, 255, 0.1);
  border: 1px solid rgba(0, 196, 255, 0.3);
  padding: 3px 10px;
  border-radius: 100px;
}

.service-card__icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(0,87,255,0.18), rgba(0,196,255,0.1));
  border: 1px solid rgba(0,87,255,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}
.service-card__icon {
  font-size: 1.5rem;
  color: var(--clr-accent-2);
}
.service-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.service-card__desc {
  color: var(--clr-text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}
.service-card__features {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}
.service-card__features li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--clr-text-muted);
  font-size: 0.9rem;
  margin-bottom: 8px;
}
.service-card__features li i {
  color: var(--clr-accent-2);
  font-size: 0.75rem;
  flex-shrink: 0;
}
.service-card__link {
  color: var(--clr-accent-2);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  font-family: var(--ff-heading);
  display: inline-flex;
  align-items: center;
  transition: var(--transition);
}
.service-card__link:hover {
  color: var(--clr-cyan);
  gap: 6px;
}

/* =====================================================
   PRODUCTS SECTION
   ===================================================== */

.product-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(0, 87, 255, 0.45);
}
.product-card__img-wrap {
  position: relative;
  overflow: hidden;
  background: #f5f6f8;
}
.product-card__img {
  width: 100%;
  height: 280px;
  object-fit: contain;
  padding: 16px;
  transition: transform 0.5s ease;
}
.product-card:hover .product-card__img { transform: scale(1.06); }
.product-card__tag {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: white;
  background: var(--clr-accent);
  padding: 4px 10px;
  border-radius: 100px;
  box-shadow: 0 0 12px var(--clr-accent-glow);
}
.product-card__tag--new { background: #00C4FF; box-shadow: 0 0 12px rgba(0,196,255,0.4); }
.product-card__body { padding: 22px; }
.product-card__name {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.product-card__desc {
  font-size: 0.88rem;
  color: var(--clr-text-muted);
  margin-bottom: 14px;
  line-height: 1.55;
}
.product-card__specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.spec-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--clr-accent-2);
  background: rgba(0, 87, 255, 0.1);
  border: 1px solid rgba(0, 87, 255, 0.2);
  padding: 3px 10px;
  border-radius: 100px;
}

/* =====================================================
   MARQUEE BANNER
   ===================================================== */

.marquee-banner {
  background: linear-gradient(90deg, rgba(0,87,255,0.12), rgba(0,196,255,0.1), rgba(0,87,255,0.12));
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  padding: 12px 0;
  overflow: hidden;
  white-space: nowrap;
}
.marquee-track {
  display: inline-flex;
  gap: 28px;
  animation: marqueeScroll 22s linear infinite;
  font-family: var(--ff-heading);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-accent-2);
}
.marquee-track:hover { animation-play-state: paused; }
@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* =====================================================
   DEVICES SECTION
   ===================================================== */

/* Filter Buttons */
.filter-btn {
  background: transparent;
  border: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
  padding: 8px 20px;
  border-radius: 100px;
  font-family: var(--ff-heading);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.filter-btn:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent-2);
  background: rgba(0,87,255,0.08);
}
.filter-btn.active {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: white;
  box-shadow: 0 4px 14px var(--clr-accent-glow);
}

/* Devices Grid */
.devices-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* Device Card */
.device-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  display: flex;
  flex-direction: column;
}
.device-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 8px 40px rgba(0, 87, 255, 0.38), var(--shadow-card);
  border-color: rgba(0, 87, 255, 0.5);
}
.device-card.hidden { display: none; }

.device-card__img-wrap {
  position: relative;
  overflow: hidden;
  background: #f5f6f8;
}
.device-card__img-wrap img {
  width: 100%;
  height: 220px;
  object-fit: contain;
  padding: 14px;
  transition: transform 0.5s ease;
}
.device-card:hover .device-card__img-wrap img { transform: scale(1.07); }

.device-card__category-badge {
  position: absolute;
  bottom: 10px;
  left: 10px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: white;
  background: rgba(10,22,40,0.85);
  border: 1px solid rgba(0,87,255,0.35);
  backdrop-filter: blur(4px);
  padding: 4px 10px;
  border-radius: 100px;
}

.device-card__ribbon {
  position: absolute;
  top: 12px;
  right: -8px;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: white;
  padding: 4px 14px 4px 10px;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%, 8px 50%);
}
.device-card__ribbon--new {
  background: linear-gradient(135deg, #1DDDE5, #14B8BE);
  box-shadow: -2px 2px 8px rgba(20,184,190,0.4);
}
.device-card__ribbon--bestseller {
  background: linear-gradient(135deg, #0B8A90, #0B5A64);
  box-shadow: -2px 2px 8px rgba(11,90,100,0.4);
}

.device-card__body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.device-card__name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 5px;
  color: var(--clr-white);
}
.device-card__desc {
  font-size: 0.82rem;
  color: var(--clr-text-muted);
  margin-bottom: 12px;
  line-height: 1.5;
}

.device-card__specs {
  list-style: none;
  padding: 0;
  margin: 0 0 14px;
}
.device-card__specs li {
  font-size: 0.78rem;
  color: var(--clr-text-muted);
  margin-bottom: 5px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.device-card__compat {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.compat-icon {
  font-size: 0.85rem;
  width: 26px;
  height: 26px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.compat-alexa  { color: #00CAFF; background: rgba(0,202,255,0.1); }
.compat-google { color: #4285F4; background: rgba(66,133,244,0.1); }
.compat-apple  { color: #e8e8e8; background: rgba(232,232,232,0.1); }
.compat-st     { font-size: 0.6rem; font-weight: 800; color: #1DBFC4; background: rgba(29,191,196,0.1); }

.device-card__rating {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 14px;
  margin-top: auto;
}
.device-card__rating i { color: #FFB300; font-size: 0.78rem; }
.device-card__rating span { font-size: 0.78rem; color: var(--clr-text-muted); margin-left: 4px; }

.device-card__actions {
  display: flex;
  gap: 8px;
}
.device-card__actions .btn { flex: 1; font-size: 0.8rem; padding: 7px 10px; }

/* =====================================================
   WHY CHOOSE US
   ===================================================== */

.feature-strip {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
}
.feature-strip:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(0, 87, 255, 0.4);
}
.feature-strip--accent {
  background: linear-gradient(145deg, #0d2f33, #0C2830);
  border-color: rgba(20, 184, 190, 0.4);
}
.feature-strip__icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--clr-accent), #0B5A64);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.4rem;
  color: white;
  box-shadow: 0 0 20px var(--clr-accent-glow);
}
.feature-strip__title {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 10px;
}
.feature-strip__desc {
  font-size: 0.88rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
}

/* =====================================================
   TESTIMONIALS
   ===================================================== */

.testimonial-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: 48px 52px;
  max-width: 760px;
  text-align: center;
  position: relative;
}
.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: -8px;
  left: 40px;
  font-family: Georgia, serif;
  font-size: 120px;
  line-height: 1;
  color: var(--clr-accent);
  opacity: 0.18;
}
.testimonial-card__stars { color: #FFB300; font-size: 1.1rem; }
.testimonial-card__quote {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.85);
  font-style: italic;
  line-height: 1.8;
  margin-bottom: 28px;
  border: none;
  padding: 0;
}
.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 14px;
  justify-content: center;
}
.testimonial-card__avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 2px solid var(--clr-accent);
  object-fit: cover;
}
.testimonial-card__author strong {
  display: block;
  font-family: var(--ff-heading);
  font-weight: 700;
  color: var(--clr-white);
}
.testimonial-card__author span {
  font-size: 0.82rem;
  color: var(--clr-text-muted);
}

/* Custom carousel controls */
.carousel-control--custom {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background: rgba(0,87,255,0.15);
  border: 1px solid var(--clr-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.85rem;
  transition: var(--transition);
  opacity: 1;
}
.carousel-control--custom:hover {
  background: var(--clr-accent);
  box-shadow: 0 0 16px var(--clr-accent-glow);
}
.carousel-control-prev.carousel-control--custom { left: -22px; }
.carousel-control-next.carousel-control--custom { right: -22px; }

.carousel-indicators--custom {
  position: relative;
  margin-top: 32px;
  gap: 8px;
  bottom: 0;
}
.carousel-indicators--custom button {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--clr-text-muted);
  border: none;
  opacity: 0.5;
  transition: var(--transition);
}
.carousel-indicators--custom button.active {
  background: var(--clr-accent);
  width: 24px;
  border-radius: 4px;
  opacity: 1;
}

/* =====================================================
   ABOUT SECTION
   ===================================================== */

.about-text {
  color: rgba(255,255,255,0.78);
  font-size: 0.98rem;
  line-height: 1.8;
}
.about-mission {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: rgba(0,87,255,0.08);
  border: 1px solid rgba(0,87,255,0.2);
  border-radius: var(--radius-md);
  padding: 18px 20px;
}
.about-mission i {
  color: var(--clr-accent-2);
  font-size: 1.2rem;
  margin-top: 3px;
  flex-shrink: 0;
}
.about-mission p {
  color: rgba(255,255,255,0.82);
  font-size: 0.93rem;
  margin: 0;
}

.about-visual { position: relative; }
.about-visual__img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  object-fit: cover;
  aspect-ratio: 4/3;
}
.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 20px;
}
.about-stat {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 20px 14px;
  text-align: center;
  transition: var(--transition);
}
.about-stat:hover {
  border-color: rgba(0,87,255,0.4);
  transform: translateY(-4px);
}
.about-stat--accent {
  background: linear-gradient(145deg, rgba(20,184,190,0.15), rgba(29,221,229,0.08));
  border-color: rgba(20,184,190,0.3);
}
.about-stat__num {
  font-family: var(--ff-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--clr-white);
  line-height: 1;
}
.about-stat__symbol {
  font-family: var(--ff-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--clr-accent-2);
}
.about-stat__label {
  display: block;
  font-size: 0.72rem;
  color: var(--clr-text-muted);
  margin-top: 6px;
  letter-spacing: 0.04em;
}

/* =====================================================
   CONTACT SECTION
   ===================================================== */

.contact-form__label {
  color: var(--clr-text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--ff-heading);
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}
.contact-form__input {
  background: var(--clr-card) !important;
  border: 1px solid var(--clr-border) !important;
  border-radius: var(--radius-sm) !important;
  color: var(--clr-white) !important;
  padding: 12px 16px !important;
  font-family: var(--ff-body);
  transition: var(--transition);
}
.contact-form__input:focus {
  border-color: var(--clr-accent) !important;
  box-shadow: 0 0 0 3px rgba(0,87,255,0.15) !important;
  outline: none !important;
}
.contact-form__input::placeholder { color: rgba(255,255,255,0.28) !important; }

.contact-info {
  margin-bottom: 28px;
}
.contact-info__item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 22px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--clr-border);
}
.contact-info__item:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.contact-info__icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(0,87,255,0.12);
  border: 1px solid rgba(0,87,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-accent-2);
  flex-shrink: 0;
}
.contact-info__item strong {
  display: block;
  font-family: var(--ff-heading);
  font-size: 0.88rem;
  color: var(--clr-white);
  margin-bottom: 3px;
}
.contact-info__item p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
}

.map-placeholder {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  height: 220px;
  background: var(--clr-card);
}
.map-placeholder__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 8px;
  color: var(--clr-text-muted);
}
.map-placeholder__inner i { font-size: 2.5rem; color: var(--clr-accent); opacity: 0.5; }
.map-placeholder__inner p { margin: 0; font-size: 0.9rem; }
.map-placeholder__inner small { font-size: 0.75rem; opacity: 0.65; }
.map-placeholder__inner code { background: rgba(0,87,255,0.1); padding: 2px 8px; border-radius: 4px; color: var(--clr-accent-2); }

/* Form feedback toast */
.form-toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--clr-card);
  border: 1px solid rgba(0,255,100,0.3);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  color: #00FF94;
  font-family: var(--ff-heading);
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 8px 28px rgba(0,0,0,0.4);
  z-index: 9999;
  transform: translateY(80px);
  opacity: 0;
  transition: transform 0.4s ease, opacity 0.4s ease;
  display: flex;
  align-items: center;
  gap: 10px;
}
.form-toast.show { transform: translateY(0); opacity: 1; }

/* =====================================================
   FOOTER
   ===================================================== */

.site-footer {
  background: #060e1c;
  border-top: 1px solid var(--clr-border);
}
.footer-brand__tagline {
  color: var(--clr-text-muted);
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 300px;
}
.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social__link {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-text-muted);
  font-size: 0.9rem;
  text-decoration: none;
  transition: var(--transition);
}
.footer-social__link:hover {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 4px 12px var(--clr-accent-glow);
}
.footer-heading {
  font-family: var(--ff-heading);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  margin-bottom: 20px;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  text-decoration: none;
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}
.footer-links a i { font-size: 0.65rem; color: var(--clr-accent); }
.footer-links a:hover { color: var(--clr-white); padding-left: 4px; }

.footer-contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
}
.footer-contact-list li i {
  color: var(--clr-accent-2);
  margin-top: 3px;
  flex-shrink: 0;
  font-size: 0.85rem;
}

.footer-bottom {
  border-top: 1px solid var(--clr-border);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--clr-text-muted);
}

/* =====================================================
   BACK TO TOP
   ===================================================== */

.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--clr-accent);
  border: none;
  color: white;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
  box-shadow: 0 4px 18px var(--clr-accent-glow);
}
.back-to-top.visible { opacity: 1; transform: translateY(0); }
.back-to-top:hover {
  background: var(--clr-accent-2);
  transform: translateY(-3px);
}

/* =====================================================
   RESPONSIVE
   ===================================================== */

/* Tablet */
@media (max-width: 991px) {
  .section-padding { padding: 72px 0; }
  .devices-grid { grid-template-columns: repeat(2, 1fr); }
  .carousel-control-prev.carousel-control--custom { left: -8px; }
  .carousel-control-next.carousel-control--custom { right: -8px; }
  .testimonial-card { padding: 36px 28px; }
}

/* Mobile */
@media (max-width: 767px) {
  .section-padding { padding: 56px 0; }
  .hero-title { font-size: 2.2rem; }
  .devices-grid { grid-template-columns: 1fr; gap: 16px; }
  .about-stats { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .about-stat__num { font-size: 1.3rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .testimonial-card { padding: 28px 18px; }
  .testimonial-card::before { font-size: 80px; }
  .back-to-top { bottom: 18px; right: 18px; }
  .hero-ctas .btn { width: 100%; }
}

/* Small Mobile */
@media (max-width: 480px) {
  .about-stats { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 14px; }
  .devices-filter { gap: 8px !important; }
  .filter-btn { padding: 6px 14px; font-size: 0.78rem; }
}