/* ========================================
   Area 51 Car Care — Black Theme
   ======================================== */

:root {
  /* Blacks & grays */
  --black: #0a0a0a;
  --black-soft: #111111;
  --black-mid: #151515;
  --charcoal: #1a1a1a;
  --gray-900: #1e1e1e;
  --gray-800: #2a2a2a;
  --gray-600: #525252;
  --gray-400: #a3a3a3;
  --gray-200: #e5e5e5;
  --white: #fafafa;

  /* Accent — electric cyan (Area 51 / UFO glow) */
  --accent: #00e5cc;
  --accent-dim: #00b8a3;
  --accent-glow: rgba(0, 229, 204, 0.25);
  --accent-glow-strong: rgba(0, 229, 204, 0.4);

  /* Typography */
  --font-display: "Bebas Neue", sans-serif;
  --font-body: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Spacing & layout */
  --container: min(90vw, 1100px);
  --section-pad: clamp(4rem, 10vw, 7rem);
}

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

/* Performance optimizations */
* {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Use GPU acceleration only where needed (on hover) */
.service-card:hover,
.pricing-card:hover,
.contact-card:hover,
.stat:hover {
  transform: translateZ(0);
  backface-visibility: hidden;
}

/* Reduce initial paint complexity */
.hero-bg .particles,
.hero-bg .stars {
  content-visibility: auto;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--gray-200);
  line-height: 1.6;
}

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

ul {
  list-style: none;
}

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

img[loading="lazy"] {
  content-visibility: auto;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2rem);
}

/* ----- Header ----- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.logo {
  display: flex;
  align-items: center;
  transition: transform 0.3s ease, filter 0.3s ease;
  position: relative;
}

.logo::before {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 8px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s;
  z-index: -1;
}

.logo:hover {
  transform: scale(1.05) rotate(2deg);
  filter: drop-shadow(0 0 16px var(--accent-glow));
  animation: elastic-bounce 0.5s ease-out;
}

.logo:hover::before {
  opacity: 0.6;
  animation: pulse-glow 2s ease-in-out infinite;
}

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

.logo-footer .logo-img {
  height: 48px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--gray-400);
  transition: color 0.2s;
  position: relative;
  display: inline-block;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
  box-shadow: 0 0 8px var(--accent-glow);
}

.nav-links a:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--gray-200);
  transition: transform 0.3s, opacity 0.3s;
}

.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.35rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 6px;
  transition: all 0.2s;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: var(--black);
  border: 2px solid var(--accent);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary:hover {
  background: var(--accent-dim);
  border-color: var(--accent-dim);
  box-shadow: 0 0 24px var(--accent-glow);
  transform: translateY(-2px);
  animation: pulse-glow 2s ease-in-out infinite;
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

.btn-ghost {
  background: transparent;
  color: var(--gray-200);
  border: 2px solid var(--gray-600);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 20px rgba(0, 229, 204, 0.15);
  transform: translateY(-2px);
  background: rgba(0, 229, 204, 0.1);
}

.btn-ghost:active {
  transform: translateY(0) scale(0.98);
}

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

.btn-outline:hover {
  background: var(--accent);
  color: var(--black);
  box-shadow: 0 0 20px var(--accent-glow);
  transform: translateY(-2px) scale(1.05);
  animation: pulse-glow 2s ease-in-out infinite;
}

.btn-outline:active {
  transform: translateY(0) scale(0.98);
}

.btn-lg {
  padding: 0.9rem 1.75rem;
  font-size: 1rem;
}

/* ----- Hero ----- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-top: 4.5rem;
  overflow: hidden;
}

/* 1. Carousel: top section, no overlap with logo/content */
.hero-carousel {
  position: relative;
  flex: 0 0 48vh;
  min-height: 280px;
  width: 100%;
  overflow: hidden;
  z-index: 0;
  contain: layout style paint;
}

.carousel-track {
  position: absolute;
  inset: 0;
  contain: layout style paint;
}

.carousel-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 0.6s ease-in-out;
  z-index: 0;
  background-color: var(--black);
}

.carousel-slide.active {
  opacity: 1 !important;
  z-index: 1;
}

.carousel-slide[data-loaded="true"] {
  opacity: 1;
}

.carousel-slide .slide-caption {
  position: absolute;
  bottom: 20%;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white);
  opacity: 0;
  transition: opacity 0.5s ease 0.3s;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.8);
}

.carousel-slide.active .slide-caption {
  opacity: 0.9;
}

.carousel-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(
    to bottom,
    rgba(10, 10, 10, 0.4) 0%,
    rgba(10, 10, 10, 0.5) 40%,
    rgba(10, 10, 10, 0.85) 100%
  );
  pointer-events: none;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px;
  height: 48px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  background: rgba(10, 10, 10, 0.5);
  color: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s, border-color 0.3s, color 0.3s, transform 0.2s;
}

.carousel-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--black);
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 0 20px var(--accent-glow);
  animation: pulse-glow 1.5s ease-in-out infinite;
}

.carousel-btn svg {
  width: 24px;
  height: 24px;
}

.carousel-prev {
  left: clamp(1rem, 4vw, 2rem);
}

.carousel-next {
  right: clamp(1rem, 4vw, 2rem);
}

.carousel-dots {
  position: absolute;
  bottom: clamp(1.5rem, 5vw, 2.5rem);
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.carousel-dots .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.5);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: background 0.3s, border-color 0.3s, transform 0.2s;
}

.carousel-dots .dot:hover {
  border-color: var(--accent);
  background: rgba(0, 229, 204, 0.3);
  transform: scale(1.2);
  box-shadow: 0 0 8px var(--accent-glow);
}

.carousel-dots .dot.active {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
  animation: pulse-glow 2s ease-in-out infinite;
}

/* 2. Logo + content: separate block below carousel */
.hero-content-wrap {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 52vh;
  padding-bottom: 2rem;
  background: var(--black);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% 20%, rgba(0, 229, 204, 0.08) 0%, transparent 50%),
              radial-gradient(ellipse 60% 40% at 80% 80%, rgba(0, 229, 204, 0.04) 0%, transparent 50%);
  will-change: opacity;
  animation: fade-in-up 0.8s ease-out 0.3s backwards;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 20%, transparent 70%);
  opacity: 0;
  animation: fade-in-up 0.8s ease-out 0.5s forwards;
}

.hero-glow {
  position: absolute;
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 200px;
  background: var(--accent-glow);
  filter: blur(80px);
  opacity: 0.5;
}

/* Light rays (UFO-style beams) */
.hero-light-rays {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120%;
  height: 50%;
  background: repeating-conic-gradient(
    from 0deg at 50% 100%,
    transparent 0deg 2deg,
    rgba(0, 229, 204, 0.03) 2deg 4deg
  );
  mask-image: linear-gradient(to top, black 0%, transparent 70%);
  -webkit-mask-image: linear-gradient(to top, black 0%, transparent 70%);
  pointer-events: none;
  opacity: 0;
  animation: fade-in-up 0.8s ease-out 0.8s forwards;
}

/* Twinkling stars */
.stars {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  opacity: 0;
  animation: fade-in-up 0.8s ease-out 1.2s forwards;
}

.star {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--white);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent);
  animation: twinkle 2.5s ease-in-out infinite;
}

.star:nth-child(1) { top: 12%; left: 10%; animation-delay: 0s; }
.star:nth-child(2) { top: 18%; left: 85%; animation-delay: 0.4s; }
.star:nth-child(3) { top: 28%; left: 25%; animation-delay: 0.8s; }
.star:nth-child(4) { top: 22%; left: 60%; animation-delay: 0.2s; }
.star:nth-child(5) { top: 35%; left: 75%; animation-delay: 0.6s; }
.star:nth-child(6) { top: 45%; left: 15%; animation-delay: 0.3s; }
.star:nth-child(7) { top: 55%; left: 90%; animation-delay: 0.7s; }
.star:nth-child(8) { top: 48%; left: 45%; animation-delay: 0.1s; }
.star:nth-child(9) { top: 65%; left: 30%; animation-delay: 0.5s; }

/* Particle effects */
.particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  opacity: 0;
  animation: fade-in-up 0.8s ease-out 1s forwards;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-glow);
  bottom: -10px;
  left: var(--x, 50%);
  animation: particle-float var(--duration, 20s) linear infinite;
  animation-delay: var(--delay, 0s);
  opacity: 0.6;
}

/* Wave background animation */
.wave-bg {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 30%;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(0, 229, 204, 0.03) 50%,
    transparent 100%
  );
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120'%3E%3Cpath d='M0,60 Q300,20 600,60 T1200,60 L1200,120 L0,120 Z' fill='black'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120'%3E%3Cpath d='M0,60 Q300,20 600,60 T1200,60 L1200,120 L0,120 Z' fill='black'/%3E%3C/svg%3E");
  mask-size: 1200px 120px;
  -webkit-mask-size: 1200px 120px;
  animation: wave 8s ease-in-out infinite;
  opacity: 0.4;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  width: 100%;
}

.hero-logo-wrap {
  margin-bottom: 0.75rem;
}

.hero-logo {
  max-width: min(320px, 70vw);
  height: auto;
  margin-inline: auto;
  filter: drop-shadow(0 0 24px var(--accent-glow));
}

.hero-tagline {
  font-size: clamp(0.85rem, 2vw, 1rem);
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 1rem;
  text-transform: uppercase;
  opacity: 0;
  animation: fade-in-up 0.6s ease-out 0.2s forwards, shimmer 3s ease-in-out infinite 1s;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-dim) 50%, var(--accent) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 10vw, 5rem);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: 0.02em;
  color: var(--white);
  margin-bottom: 1rem;
  opacity: 0;
  animation: fade-in-up 0.6s ease-out 0.3s forwards, text-glow 3s ease-in-out infinite 1.5s;
}

.hero-title .line {
  display: block;
}

.hero-title .line:nth-child(2) {
  animation: wave 4s ease-in-out infinite 2s;
}

.hero-title .accent {
  color: var(--accent);
  animation: text-glow 3s ease-in-out infinite;
}

.hero-desc {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--gray-400);
  max-width: 420px;
  margin-inline: auto;
  margin-bottom: 0.5rem;
  position: relative;
  opacity: 0;
  animation: fade-in-up 0.6s ease-out 0.4s forwards;
}

.hero-desc::before {
  content: '';
  position: absolute;
  left: -20px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 0;
  background: var(--accent);
  animation: slide-up-fade 0.6s ease-out 0.6s forwards;
  box-shadow: 0 0 8px var(--accent-glow);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
  opacity: 0;
  animation: fade-in-up 0.6s ease-out 0.5s forwards;
}

.hero-cta .btn {
  position: relative;
  overflow: hidden;
}

.hero-cta .btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.5s, height 0.5s;
  pointer-events: none;
}

.hero-cta .btn:hover::after {
  width: 300px;
  height: 300px;
}

.hero-visual {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  width: min(90vw, 320px);
  color: var(--accent);
  opacity: 0.4;
  pointer-events: none;
  z-index: 1;
}

.car-silhouette svg {
  width: 100%;
  height: auto;
  animation: float-rotate 6s ease-in-out infinite;
  filter: drop-shadow(0 0 20px var(--accent-glow));
}

.car-silhouette svg path,
.car-silhouette svg ellipse {
  animation: sparkle 3s ease-in-out infinite;
}

.car-silhouette svg ellipse:nth-child(2) {
  animation-delay: 0.5s;
}

.car-silhouette svg ellipse:nth-child(3) {
  animation-delay: 1s;
}

/* ----- Animations ----- */
@keyframes twinkle {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.2); }
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.6; }
}

@keyframes light-rays-shift {
  0%, 100% { transform: translateX(-50%) rotate(-2deg); opacity: 0.6; }
  50% { transform: translateX(-50%) rotate(2deg); opacity: 1; }
}

@keyframes logo-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* Enhanced animations */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes slide-in-left {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slide-in-right {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scale-in {
  from { opacity: 0; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes rotate-in {
  from { opacity: 0; transform: rotate(-10deg) scale(0.9); }
  to { opacity: 1; transform: rotate(0) scale(1); }
}

@keyframes bounce-in {
  0% { opacity: 0; transform: translateY(-20px) scale(0.9); }
  50% { transform: translateY(5px) scale(1.05); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px var(--accent-glow); }
  50% { box-shadow: 0 0 40px var(--accent-glow-strong), 0 0 60px var(--accent-glow); }
}

@keyframes ripple {
  0% { transform: scale(0); opacity: 1; }
  100% { transform: scale(4); opacity: 0; }
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes text-glow {
  0%, 100% { text-shadow: 0 0 10px var(--accent-glow), 0 0 20px var(--accent-glow); }
  50% { text-shadow: 0 0 20px var(--accent-glow-strong), 0 0 40px var(--accent-glow); }
}

@keyframes icon-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes wiggle {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-3deg); }
  75% { transform: rotate(3deg); }
}

@keyframes fade-in-scale {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes slide-up-fade {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes number-count {
  from { opacity: 0; transform: translateY(10px) scale(0.8); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes wave {
  0%, 100% { transform: translateX(0) translateY(0); }
  25% { transform: translateX(10px) translateY(-5px); }
  50% { transform: translateX(-5px) translateY(5px); }
  75% { transform: translateX(-10px) translateY(-3px); }
}

@keyframes morph {
  0%, 100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
  50% { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
}

@keyframes particle-float {
  0% { transform: translateY(0) translateX(0) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-100vh) translateX(50px) rotate(360deg); opacity: 0; }
}

@keyframes glitch {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(-2px, 2px); }
  40% { transform: translate(-2px, -2px); }
  60% { transform: translate(2px, 2px); }
  80% { transform: translate(2px, -2px); }
}

@keyframes typewriter {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink {
  0%, 50% { border-color: transparent; }
  51%, 100% { border-color: var(--accent); }
}

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

@keyframes slide-in-rotate {
  from { opacity: 0; transform: translateX(-50px) rotate(-10deg); }
  to { opacity: 1; transform: translateX(0) rotate(0deg); }
}

@keyframes zoom-in-out {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

@keyframes rotate-3d {
  0% { transform: perspective(1000px) rotateY(0deg); }
  100% { transform: perspective(1000px) rotateY(360deg); }
}

@keyframes elastic-bounce {
  0%, 100% { transform: scale(1); }
  25% { transform: scale(1.2); }
  50% { transform: scale(0.9); }
  75% { transform: scale(1.1); }
}

@keyframes shimmer-text {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes border-dance {
  0%, 100% { border-image-source: linear-gradient(0deg, var(--accent), transparent); }
  25% { border-image-source: linear-gradient(90deg, var(--accent), transparent); }
  50% { border-image-source: linear-gradient(180deg, var(--accent), transparent); }
  75% { border-image-source: linear-gradient(270deg, var(--accent), transparent); }
}

@keyframes float-rotate {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(180deg); }
}

@keyframes sparkle {
  0%, 100% { opacity: 0; transform: scale(0) rotate(0deg); }
  50% { opacity: 1; transform: scale(1) rotate(180deg); }
}

.hero-glow { 
  animation: glow-pulse 4s ease-in-out infinite;
  animation-delay: 1s;
}
.hero-light-rays { 
  animation: light-rays-shift 8s ease-in-out infinite;
  animation-delay: 0.5s;
}
.hero-logo { animation: logo-float 5s ease-in-out infinite; }
.float { 
  animation: float 4s ease-in-out infinite;
  animation-delay: 1s;
}

@media (prefers-reduced-motion: reduce) {
  .hero-glow,
  .hero-light-rays,
  .hero-logo,
  .float,
  .section-divider .star,
  .star,
  .hero-title,
  .hero-tagline,
  .btn-primary,
  .pricing-card.featured,
  .particle,
  .wave-bg,
  .car-silhouette svg,
  .hero-title .line { animation: none; }
  
  .service-card:hover,
  .pricing-card:hover,
  .stat:hover,
  .contact-card:hover,
  .logo:hover { transform: none; }
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fade-in-up 0.6s ease-out forwards;
  opacity: 0;
  animation-delay: var(--delay, 0s);
}

/* Scroll-triggered reveal */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal[data-delay="0"] { transition-delay: 0s; }
.reveal[data-delay="1"] { transition-delay: 0.15s; }
.reveal[data-delay="2"] { transition-delay: 0.3s; }

.reveal.revealed {
  animation: bounce-in 0.6s ease-out;
}

/* Section dividers (logo-style lines + star) */
.section-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-top: 1rem;
}

.section-divider .line {
  width: clamp(40px, 10vw, 80px);
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gray-600), transparent);
  border-radius: 1px;
  position: relative;
  animation: slide-in-left 0.8s ease-out backwards;
}

.section-divider .line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: slide-in-left 1s ease-out 0.3s forwards;
  box-shadow: 0 0 8px var(--accent-glow);
}

.section-divider .line:nth-child(3) {
  animation-name: slide-in-right;
}

.section-divider .line:nth-child(3)::after {
  animation-name: slide-in-right;
}

.section-divider .star {
  color: var(--accent);
  font-size: 0.9rem;
  animation: twinkle 2s ease-in-out infinite;
  filter: drop-shadow(0 0 4px var(--accent-glow));
}

/* ----- Sections ----- */
.section {
  padding-block: var(--section-pad);
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
  animation: slide-in-left 0.6s ease-out;
  position: relative;
}

.section-tag::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  animation: slide-in-left 0.8s ease-out 0.3s forwards;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--white);
  margin-bottom: 2.5rem;
  animation: fade-in-scale 0.8s ease-out;
}

.section-title.reveal {
  animation: none;
}

/* ----- Services ----- */
.services {
  background: var(--black-soft);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card {
  padding: 2rem;
  background: var(--charcoal);
  border: 1px solid var(--gray-800);
  border-radius: 12px;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s ease;
  position: relative;
  overflow: hidden;
  contain: layout style;
}

.service-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 229, 204, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s;
  animation: morph 8s ease-in-out infinite;
}

.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 204, 0.2), transparent);
  transition: left 0.5s;
}

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

.service-card:hover::after {
  left: 100%;
}

.service-card:hover {
  border-color: rgba(0, 229, 204, 0.4);
  box-shadow: 0 0 40px rgba(0, 229, 204, 0.12), 0 8px 32px rgba(0, 0, 0, 0.3);
  transform: translateY(-8px) scale(1.02) rotateY(2deg);
  animation: pulse-glow 2s ease-in-out infinite, elastic-bounce 0.6s ease-out;
}

.service-card:hover .service-icon {
  transform: scale(1.15) rotate(5deg);
  filter: drop-shadow(0 0 12px var(--accent-glow));
  animation: wiggle 0.5s ease-in-out;
}

.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.25rem;
  color: var(--accent);
  transition: transform 0.3s ease, filter 0.3s ease;
  animation: fade-in-scale 0.6s ease-out backwards;
}

.service-card:nth-child(1) .service-icon { animation-delay: 0.1s; }
.service-card:nth-child(2) .service-icon { animation-delay: 0.2s; }
.service-card:nth-child(3) .service-icon { animation-delay: 0.3s; }

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--white);
  margin-bottom: 0.5rem;
  transition: transform 0.3s ease, color 0.3s ease;
}

.service-card:hover h3 {
  transform: translateX(4px);
  color: var(--accent);
}

.service-card p {
  color: var(--gray-400);
  font-size: 0.95rem;
}

/* ----- Pricing ----- */
.pricing {
  background: var(--black);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  align-items: stretch;
}

.pricing-card {
  position: relative;
  padding: 2rem;
  background: var(--black-mid);
  border: 1px solid var(--gray-800);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s ease;
  perspective: 1000px;
  contain: layout style;
}

.pricing-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0, 229, 204, 0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
  animation: gradient-rotate 3s ease infinite;
  background-size: 200% 200%;
}

.pricing-card:hover::after {
  opacity: 1;
}

.pricing-card:hover {
  border-color: rgba(0, 229, 204, 0.35);
  box-shadow: 0 0 36px rgba(0, 229, 204, 0.1);
  transform: translateY(-8px) rotateX(2deg);
}

.pricing-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 40px var(--accent-glow);
  animation: pulse-glow 3s ease-in-out infinite;
}

.pricing-card.featured:hover {
  box-shadow: 0 0 56px var(--accent-glow-strong);
  transform: translateY(-10px) rotateX(3deg) scale(1.03);
  animation: pulse-glow 1.5s ease-in-out infinite;
}

.pricing-card .popular {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.25rem 0.75rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--black);
  background: var(--accent);
  border-radius: 100px;
}

.pricing-card h3 {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--white);
  margin-bottom: 0.5rem;
  transition: transform 0.3s ease, color 0.3s ease;
  line-height: 1.2;
}

.pricing-card:hover h3 {
  transform: translateY(-2px);
  color: var(--accent);
}

.pricing-card .price {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--accent);
  margin-bottom: 0.25rem;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.pricing-card:hover .price {
  transform: scale(1.1);
  filter: drop-shadow(0 0 12px var(--accent-glow));
}

.pricing-card .currency {
  font-size: 1.5rem;
  opacity: 0.8;
}

.pricing-card .price .gst {
  font-size: 1rem;
  font-weight: 500;
  color: var(--gray-400);
  margin-left: 0.25rem;
}

.pricing-card .price-desc {
  color: var(--gray-400);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.pricing-card ul {
  flex: 1;
  margin-bottom: 1.5rem;
}

.pricing-card li {
  padding: 0.4rem 0;
  color: var(--gray-200);
  font-size: 0.95rem;
  border-bottom: 1px solid var(--gray-800);
  line-height: 1.5;
}

.pricing-card li strong {
  color: var(--accent);
  font-weight: 600;
  margin-right: 0.25rem;
}

.pricing-card li:last-child {
  border-bottom: none;
}

.pricing-card .btn {
  margin-top: auto;
}

/* ----- About ----- */
.about {
  background: var(--black-soft);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-content .section-title {
  margin-bottom: 1rem;
}

.about-content p {
  color: var(--gray-400);
  margin-bottom: 1.5rem;
  max-width: 480px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.stat {
  text-align: center;
  padding: 1rem;
  border-radius: 12px;
  transition: background 0.3s, transform 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stat::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 204, 0.1), transparent);
  transition: left 0.5s;
}

.stat:hover::before {
  left: 100%;
}

.stat:hover {
  background: rgba(0, 229, 204, 0.06);
  transform: scale(1.08) translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 229, 204, 0.15);
}

.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 0.25rem;
  animation: number-count 0.8s ease-out backwards;
}

.stat:nth-child(1) .stat-num { animation-delay: 0.1s; }
.stat:nth-child(2) .stat-num { animation-delay: 0.2s; }
.stat:nth-child(3) .stat-num { animation-delay: 0.3s; }

.stat-label {
  font-size: 0.9rem;
  color: var(--gray-400);
}

/* ----- Contact ----- */
.contact {
  background: var(--black);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.contact-card {
  padding: 2rem;
  background: var(--charcoal);
  border: 1px solid var(--gray-800);
  border-radius: 12px;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s ease;
  position: relative;
}

.contact-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0, 229, 204, 0.05) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.contact-card:hover::after {
  opacity: 1;
}

.contact-card:hover {
  border-color: rgba(0, 229, 204, 0.4);
  box-shadow: 0 0 32px rgba(0, 229, 204, 0.12), 0 4px 16px rgba(0, 0, 0, 0.2);
  transform: translateY(-6px) scale(1.02);
}

.contact-card h4 {
  animation: slide-up-fade 0.6s ease-out backwards;
}

.contact-card:nth-child(1) h4 { animation-delay: 0.1s; }
.contact-card:nth-child(2) h4 { animation-delay: 0.2s; }
.contact-card:nth-child(3) h4 { animation-delay: 0.3s; }

.contact-card h4 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.contact-card p {
  color: var(--gray-400);
  font-size: 0.95rem;
  line-height: 1.7;
}

.contact-card a {
  color: var(--accent);
  transition: color 0.2s, transform 0.2s;
  display: inline-block;
  position: relative;
}

.contact-card a::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
  box-shadow: 0 0 6px var(--accent-glow);
}

.contact-card a:hover {
  color: var(--accent-dim);
  transform: translateX(4px);
}

.contact-card a:hover::before {
  width: 100%;
}

/* ----- Footer ----- */
.footer {
  padding: 2.5rem 0;
  background: var(--black-soft);
  border-top: 1px solid var(--gray-800);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-copy {
  font-size: 0.9rem;
  color: var(--gray-600);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--gray-400);
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

/* ----- Responsive ----- */
@media (max-width: 768px) {
  /* Disable decorative elements on mobile for performance */
  .hero-bg .particles,
  .hero-bg .stars,
  .hero-bg .hero-gradient,
  .hero-bg .hero-grid,
  .hero-bg .hero-light-rays,
  .hero-bg .wave-bg,
  .hero-visual {
    display: none !important;
  }

  .hero-bg {
    background: var(--black) !important;
  }

  .hero-carousel {
    flex: 0 0 40vh;
    min-height: 200px;
  }

  .hero-content-wrap {
    min-height: 60vh;
    padding-bottom: 1rem;
  }

  .hero-logo {
    max-width: min(240px, 80vw);
  }

  .hero-tagline {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    animation: none !important;
  }

  .hero-title {
    animation: none !important;
  }

  .hero-title .line:nth-child(2) {
    animation: none !important;
  }

  .hero-desc {
    animation: none !important;
  }

  .hero-desc::before {
    display: none;
  }

  .hero-cta {
    animation: none !important;
  }

  .carousel-btn {
    width: 36px;
    height: 36px;
  }

  .carousel-btn svg {
    width: 18px;
    height: 18px;
  }

  .carousel-prev {
    left: 0.5rem;
  }

  .carousel-next {
    right: 0.5rem;
  }

  .carousel-dots {
    bottom: 1rem;
  }

  .carousel-dots .dot {
    width: 7px;
    height: 7px;
  }

  .carousel-slide .slide-caption {
    font-size: 0.65rem;
    letter-spacing: 0.08em;
  }

  .carousel-slide {
    transition: opacity 0.4s ease-in-out;
  }

  .section-divider {
    margin-bottom: 1.5rem;
  }

  /* Reduce animation complexity on mobile */
  .service-card:hover,
  .pricing-card:hover,
  .contact-card:hover,
  .stat:hover {
    transform: translateY(-2px) !important;
  }

  .service-card:hover .service-icon {
    transform: scale(1.05) !important;
    animation: none !important;
  }

  /* Simplify hover effects */
  .btn-primary:hover,
  .btn-outline:hover {
    animation: none !important;
  }

  /* Disable complex animations on mobile */
  .service-card::before,
  .service-card::after,
  .pricing-card::after,
  .contact-card::after,
  .stat::before {
    display: none !important;
  }

  /* Reduce carousel auto-play interval on mobile */
  .carousel-slide {
    transition: opacity 0.3s ease-in-out;
  }

  /* Reduce section padding on mobile */
  .section {
    padding-block: clamp(2.5rem, 6vw, 4rem);
  }

  /* Simplify service cards */
  .services-grid {
    gap: 1rem;
  }

  .service-card {
    padding: 1.5rem;
  }

  /* Simplify pricing cards */
  .pricing-grid {
    gap: 1rem;
  }

  .pricing-card {
    padding: 1.5rem;
  }

  /* Reduce font loading complexity */
  .hero-title {
    font-size: clamp(2rem, 8vw, 3.5rem);
  }

  .section-title {
    font-size: clamp(2rem, 5vw, 2.5rem);
  }

  /* Optimize reveal animations */
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .reveal.revealed {
    opacity: 1;
    transform: none;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--black-soft);
    padding: 2rem;
    gap: 1rem;
    border-bottom: 1px solid var(--gray-800);
  }

  .nav.nav-open .nav-menu {
    display: flex;
  }

  .nav.nav-open .nav-links {
    flex-direction: column;
    gap: 1rem;
  }

  .nav-toggle {
    display: flex;
  }

  .about-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-content p {
    margin-inline: auto;
  }

  .about-stats {
    grid-template-columns: 1fr;
    max-width: 280px;
    margin-inline: auto;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-carousel {
    flex: 0 0 35vh;
    min-height: 180px;
  }

  .hero-content-wrap {
    min-height: 65vh;
    padding-bottom: 0.75rem;
  }

  .hero-cta {
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1.5rem;
  }

  .hero-cta .btn {
    width: 100%;
    padding: 0.75rem 1.25rem;
  }

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

  /* Further reduce animations on small mobile */
  .reveal.revealed {
    animation: none !important;
  }

  .section-title {
    animation: none !important;
  }

  .section-tag::after {
    display: none;
  }
}