:root {
  --bg: #0b0d10;
  --fg: #e9eef2;
  --muted: #9aa5b1;

  --neon-blue: #00e5ff;
  --neon-pink: #ff49d9;
  --neon-yellow: #ffe600;
  --neon-orange: #ff7a00;
  --neon-green: #39ff14;
  --neon-purple: #b460ff;

  --shadow-strong:
    0 0 8px currentColor, 0 0 16px currentColor, 0 0 32px currentColor;
  --shadow-soft: 0 0 4px currentColor, 0 0 10px currentColor;
  --radius: 14px;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family:
    Poppins,
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Arial,
    "Neonderthaw",
    sans-serif;
}

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 12, 16, 0.75);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.header-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 1.2rem;
  max-width: 1200px;
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--fg);
}
#header-img {
  width: 28px;
  height: 28px;
  filter: drop-shadow(0 0 8px var(--neon-blue));
}
.brand-word {
  font-family: "Neonderthaw", cursive;
  font-size: 1.6rem;
  color: var(--neon-blue);
  text-shadow: var(--shadow-soft);
  letter-spacing: 1px;
}

.nav {
  display: flex;
  gap: 1rem;
}
.nav-link {
  position: relative;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius);
  text-decoration: none;
  color: #d7f7ff;
  font-weight: 600;
  text-shadow: 0 0 6px var(--neon-blue);
  transition: transform 0.2s ease;
}
.nav-link:hover {
  transform: translateY(-1px);
}

.nav-link::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  border: 2px solid transparent;
}
.nav-link:hover::before {
  border-color: var(--neon-blue);
  box-shadow:
    0 0 6px var(--neon-blue),
    0 0 16px var(--neon-blue),
    inset 0 0 6px var(--neon-blue);
}

/* ===== Sections ===== */
.section {
  padding: 110px 1rem 70px;
}
.section-header {
  max-width: 1200px;
  margin: 0 auto 1rem;
}
.section-title {
  font-size: 2rem;
  margin: 0 0 0.5rem;
  letter-spacing: 0.5px;
}
.muted {
  color: var(--muted);
}

/* ===== Hero ===== */
.hero .hero-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: 2rem;
  align-items: center;
}
.hero-copy {
  flex: 1;
  min-width: 280px;
}
.h1 {
  font-family: "Neonderthaw";
  font-size: clamp(2rem, 2.8vw + 1rem, 3.25rem);
  margin: 0 0 0.6rem;
}
.h1 .accent {
  color: var(--neon-pink);
  text-shadow: var(--shadow-soft);
}
.sub {
  color: #cfd8e3;
}

.cta-row {
  display: flex;
  gap: 0.8rem;
  margin-top: 1rem;
}
.btn {
  display: inline-block;
  padding: 0.8rem 1.1rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.4px;
  border: 2px solid transparent;
}
.btn-primary {
  color: #001217;
  background: var(--neon-blue);
  box-shadow:
    0 0 12px var(--neon-blue),
    0 0 28px var(--neon-blue);
}
.btn-outline {
  color: var(--neon-blue);
  border-color: var(--neon-blue);
  box-shadow:
    0 0 6px var(--neon-blue),
    inset 0 0 6px var(--neon-blue);
}
.btn:hover {
  filter: brightness(1.05);
}

.hero-sign {
  flex: 1;
  min-width: 320px;
  display: flex;
  justify-content: center;
}
.sign-wrap {
  position: relative;
  padding: 1.2rem 1.4rem;
  border-radius: 22px;
  background: radial-gradient(
    120px 120px at 50% 50%,
    rgba(255, 255, 255, 0.03),
    transparent
  );
}
.sign-wrap .line {
  font-size: clamp(2.1rem, 3.8vw + 0.5rem, 4rem);
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  text-align: center;
  margin: 0.2rem 0;
}
.neon-blue {
  color: var(--neon-blue);
  text-shadow: var(--shadow-strong);
}
.neon-pink {
  color: var(--neon-pink);
  text-shadow: var(--shadow-strong);
}
.neon-yellow {
  color: var(--neon-yellow);
  text-shadow: var(--shadow-strong);
}
.neon-orange {
  color: var(--neon-orange);
  text-shadow: var(--shadow-strong);
}
.neon-purple {
  color: var(--neon-purple);
  text-shadow: var(--shadow-strong);
}

.neon-cycle {
  color: var(--neon-pink);
  text-shadow: var(--shadow-strong);
  animation: cycle 7s ease-in-out infinite alternate;
}
@keyframes cycle {
  0% {
    color: var(--neon-pink);
    text-shadow:
      0 0 6px var(--neon-pink),
      0 0 20px var(--neon-pink),
      0 0 36px var(--neon-pink);
  }
  50% {
    color: var(--neon-blue);
    text-shadow:
      0 0 6px var(--neon-blue),
      0 0 20px var(--neon-blue),
      0 0 36px var(--neon-blue);
  }
  100% {
    color: var(--neon-yellow);
    text-shadow:
      0 0 6px var(--neon-yellow),
      0 0 20px var(--neon-yellow),
      0 0 36px var(--neon-yellow);
  }
}

/* hero shapes (star, heart, planet, smile, moon) */
.shape {
  position: absolute;
  opacity: 0.9;
}
.shape.glow {
  filter: drop-shadow(0 0 8px currentColor) drop-shadow(0 0 18px currentColor);
}
.shape.star {
  --c: var(--neon-yellow);
  color: var(--c);
  width: 24px;
  height: 24px;
  left: -14px;
  top: -8px;
}
.shape.star::before {
  content: "★";
  font-size: 24px;
  color: var(--neon-yellow);
}
.shape.heart {
  color: var(--neon-pink);
  right: -12px;
  top: 6px;
}
.shape.heart::before {
  content: "❤";
  font-size: 18px;
}
.shape.planet {
  color: var(--neon-blue);
  right: -16px;
  bottom: 18px;
}
.shape.planet::before {
  content: "⌀";
  font-size: 22px;
}
.shape.smile {
  color: var(--neon-pink);
  left: -12px;
  bottom: 0;
}
.shape.smile::before {
  content: "☺";
  font-size: 18px;
}
.shape.moon {
  color: var(--neon-yellow);
  right: -8px;
  top: -14px;
}
.shape.moon::before {
  content: "☾";
  font-size: 28px;
}
.visible-moon {
  opacity: 1;
}

/* 3D tilt hover for headings/nav */
.neon-3d-tilt-hover {
  display: inline-block;
  transform-style: preserve-3d;
  transition: transform 0.25s ease;
}
.neon-3d-tilt-hover:hover {
  transform: perspective(600px) rotateY(-8deg) rotateX(4deg);
  text-shadow:
    0 2px 0 rgba(255, 255, 255, 0.1),
    var(--shadow-soft);
}

/* ===== Carousel ===== */
.carousel {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}
.carousel.small {
  max-width: 1000px;
}
.track {
  display: flex;
  gap: 1.2rem;
  align-items: stretch;
  overflow: hidden;
  padding: 1rem 0;
  scroll-behavior: smooth;
}
.slide {
  flex: 0 0 65%; /* center item width */
  max-width: 780px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius);
  padding: 0.8rem;
  position: relative;
  transition:
    transform 0.5s ease,
    box-shadow 0.5s ease,
    filter 0.5s ease,
    opacity 0.5s ease;
  box-shadow: none;
  opacity: 0.7;
  filter: grayscale(0.08);
}
.carousel.small .slide {
  flex: 0 0 40%;
  max-width: 420px;
}
.slide.active {
  transform: scale(1.02);
  opacity: 1;
  filter: none;
  box-shadow:
    0 0 12px rgba(255, 255, 255, 0.05),
    0 0 28px rgba(255, 255, 255, 0.04);
}
.media-frame {
  position: relative;
  padding-top: 56.25%;
  border-radius: 12px;
  overflow: hidden;
}
.media-frame iframe,
.media-frame video,
.media-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 12px;
}
.caption {
  font-size: 0.9rem;
  margin-top: 0.6rem;
}
.credit {
  color: var(--muted);
}

.car-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: 2px solid var(--neon-blue);
  color: var(--neon-blue);
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
  cursor: pointer;
  box-shadow:
    0 0 10px var(--neon-blue),
    inset 0 0 10px var(--neon-blue);
}
.car-arrow:hover {
  filter: brightness(1.2);
}
.car-arrow.prev {
  left: -2px;
}
.car-arrow.next {
  right: -2px;
}

/* faint side glows for non-center slides; stronger for .active */
.slide.reflect {
  --glow: rgba(0, 229, 255, 0.18);
}
.slide.reflect::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  box-shadow:
    0 0 14px var(--glow),
    0 0 36px var(--glow);
  opacity: 0.5;
  pointer-events: none;
}
.slide.active.reflect {
  --glow: rgba(255, 73, 217, 0.35);
}

/* reflection effect */
.reflect {
  position: relative;
}
.reflect::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -32%;
  height: 28%;
  border-radius: 0 0 var(--radius) var(--radius);
  background: inherit;
  transform: scaleY(-1);
  filter: blur(4px) opacity(0.35);
  mask-image: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.45),
    transparent
  );
}

/* Fake neon cards (CSS “drawn” signs) */
.fake-neon-card {
  position: relative;
  border-radius: 16px;
  padding: 1.2rem;
  min-height: 220px;
  background: radial-gradient(
    160px 120px at 50% 40%,
    rgba(255, 255, 255, 0.04),
    transparent
  );
  display: grid;
  place-items: center;
  text-align: center;
}
.fake-neon-card.tiny {
  min-height: 160px;
}
.fake-neon-card .text {
  font-weight: 700;
  letter-spacing: 1px;
  text-shadow: var(--shadow-strong);
}
.gvibes .text {
  color: var(--neon-orange);
}
.dreambig .text {
  color: var(--neon-yellow);
}
.goodnight .text {
  color: var(--neon-blue);
}
.citynights .text {
  color: var(--neon-purple);
}
.glow-soft {
  filter: drop-shadow(0 0 8px currentColor);
}
/* simple shape accents */
.dreambig .balloon {
  position: absolute;
  top: 22px;
  width: 46px;
  height: 58px;
  border: 4px solid var(--neon-pink);
  border-radius: 26px 26px 22px 22px;
  box-shadow: var(--shadow-strong);
}
.dreambig .cloud {
  position: absolute;
  top: 26px;
  width: 34px;
  height: 20px;
  border-radius: 999px;
  border: 4px solid var(--neon-blue);
  box-shadow: var(--shadow-soft);
}
.dreambig .cloud.c1 {
  left: 18px;
}
.dreambig .cloud.c2 {
  right: 18px;
}
.goodnight .moon {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  box-shadow: 0 0 12px var(--neon-yellow);
  background: radial-gradient(
    circle at 60% 40%,
    var(--neon-yellow) 55%,
    transparent 56%
  );
}
.goodnight .stars {
  position: absolute;
  right: 18px;
  top: 58px;
  width: 6px;
  height: 6px;
  background: var(--neon-yellow);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--neon-yellow);
}
.citynights .skyline {
  position: absolute;
  bottom: 24px;
  left: 18px;
  right: 18px;
  height: 34px;
  background: linear-gradient(
    to right,
    transparent 6%,
    rgba(180, 96, 255, 0.5) 6% 8%,
    transparent 8% 12%,
    rgba(180, 96, 255, 0.5) 12% 14%,
    transparent 14% 18%,
    rgba(180, 96, 255, 0.5) 18% 22%,
    transparent 22%
  );
  filter: drop-shadow(0 0 12px var(--neon-purple));
}

.carousel {
  position: relative;
  width: 80%;
  margin: auto;
  overflow: hidden;
  background: black;
  border: 2px solid #0ff;
  border-radius: 12px;
  box-shadow: 0 0 20px #0ff;
}

.carousel-track {
  display: flex;
  width: 400%; /* 4 slides */
  transition: transform 1s ease-in-out;
  animation: slideAnim 32s infinite; /* 4 slides × 8s each */
}

.carousel-item {
  flex: 0 0 25%;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.carousel-item img {
  width: 60%;
  border-radius: 8px;
  filter: brightness(0.7) drop-shadow(0 0 2px #0ff);
  transform: scale(0.9);
  transition: all 0.6s ease-in-out;
}

/* hide radios */
input[type="radio"] {
  display: none;
}

/* manual overrides autoplay */
#slide1:checked ~ .carousel .carousel-track {
  animation: none;
  transform: translateX(0%);
}
#slide2:checked ~ .carousel .carousel-track {
  animation: none;
  transform: translateX(-25%);
}
#slide3:checked ~ .carousel .carousel-track {
  animation: none;
  transform: translateX(-50%);
}
#slide4:checked ~ .carousel .carousel-track {
  animation: none;
  transform: translateX(-75%);
}

/* highlight active image */
#slide1:checked ~ .carousel .carousel-item:nth-child(1) img,
#slide2:checked ~ .carousel .carousel-item:nth-child(2) img,
#slide3:checked ~ .carousel .carousel-item:nth-child(3) img,
#slide4:checked ~ .carousel .carousel-item:nth-child(4) img {
  filter: brightness(1.3) drop-shadow(0 0 15px #0ff);
  transform: scale(1);
}

/* nav dots */
.carousel-nav {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
}

.carousel-nav label {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid #0ff;
  cursor: pointer;
  transition: background 0.3s ease-in-out;
  opacity: 0.5;
}

/* glowing dot when manually clicked */
#slide1:checked ~ .carousel-nav label[for="slide1"],
#slide2:checked ~ .carousel-nav label[for="slide2"],
#slide3:checked ~ .carousel-nav label[for="slide3"],
#slide4:checked ~ .carousel-nav label[for="slide4"] {
  background: #0ff;
  box-shadow: 0 0 10px #0ff;
  opacity: 1;
}

/* autoplay synced glowing dots */
.carousel-nav label {
  animation: dotAnim 32s infinite;
}
.carousel-nav label:nth-child(1) {
  animation-delay: 0s;
}
.carousel-nav label:nth-child(2) {
  animation-delay: 8s;
}
.carousel-nav label:nth-child(3) {
  animation-delay: 16s;
}
.carousel-nav label:nth-child(4) {
  animation-delay: 24s;
}

@keyframes dotAnim {
  0%,
  20% {
    background: #0ff;
    box-shadow: 0 0 10px #0ff;
    opacity: 1;
  }
  25%,
  100% {
    background: transparent;
    box-shadow: none;
    opacity: 0.5;
  }
}

/* autoplay keyframes for slides */
@keyframes slideAnim {
  0%,
  20% {
    transform: translateX(0%);
  } /* slide 1 */
  25%,
  45% {
    transform: translateX(-25%);
  } /* slide 2 */
  50%,
  70% {
    transform: translateX(-50%);
  } /* slide 3 */
  75%,
  95% {
    transform: translateX(-75%);
  } /* slide 4 */
  100% {
    transform: translateX(0%);
  } /* loop back */
}

.carousel-item img {
  width: 60%;
  border-radius: 8px;
  filter: brightness(0.7) drop-shadow(0 0 2px #0ff);
  transform: scale(0.9);
  transition:
    filter 1s ease,
    transform 1s ease;
  position: relative;
}

/* reflection effect */
.carousel-item img::after {
  content: "";
  position: absolute;
  bottom: -60%; /* push reflection below */
  left: 0;
  width: 100%;
  height: 100%;
  background: inherit;
  transform: scaleY(-1);
  opacity: 0.2;
  filter: blur(4px) drop-shadow(0 0 2px #0ff);
  transition:
    opacity 1s ease,
    filter 1s ease;
}

/* highlight center image */
#slide1:checked ~ .carousel .carousel-item:nth-child(1) img,
#slide2:checked ~ .carousel .carousel-item:nth-child(2) img,
#slide3:checked ~ .carousel .carousel-item:nth-child(3) img,
#slide4:checked ~ .carousel .carousel-item:nth-child(4) img {
  filter: brightness(1.3) drop-shadow(0 0 15px #0ff);
  transform: scale(1);
}

#slide1:checked ~ .carousel .carousel-item:nth-child(1) img::after,
#slide2:checked ~ .carousel .carousel-item:nth-child(2) img::after,
#slide3:checked ~ .carousel .carousel-item:nth-child(3) img::after,
#slide4:checked ~ .carousel .carousel-item:nth-child(4) img::after {
  opacity: 0.5;
  filter: blur(4px) drop-shadow(0 0 15px #0ff);
}

/* autoplay glow + reflection cycle */
.carousel-track .carousel-item img {
  animation: glowAnim 32s infinite;
}

.carousel-track .carousel-item:nth-child(1) img {
  animation-delay: 0s;
}
.carousel-track .carousel-item:nth-child(2) img {
  animation-delay: 8s;
}
.carousel-track .carousel-item:nth-child(3) img {
  animation-delay: 16s;
}
.carousel-track .carousel-item:nth-child(4) img {
  animation-delay: 24s;
}

@keyframes glowAnim {
  0%,
  20% {
    filter: brightness(1.3) drop-shadow(0 0 15px #0ff);
    transform: scale(1);
  }
  25%,
  100% {
    filter: brightness(0.7) drop-shadow(0 0 2px #0ff);
    transform: scale(0.9);
  }
}

.carousel-track .carousel-item img::after {
  animation: reflectAnim 32s infinite;
}

.carousel-track .carousel-item:nth-child(1) img::after {
  animation-delay: 0s;
}
.carousel-track .carousel-item:nth-child(2) img::after {
  animation-delay: 8s;
}
.carousel-track .carousel-item:nth-child(3) img::after {
  animation-delay: 16s;
}
.carousel-track .carousel-item:nth-child(4) img::after {
  animation-delay: 24s;
}

@keyframes reflectAnim {
  0%,
  20% {
    opacity: 0.5;
    filter: blur(4px) drop-shadow(0 0 15px #0ff);
  }
  25%,
  100% {
    opacity: 0.2;
    filter: blur(4px) drop-shadow(0 0 2px #0ff);
  }
}

.carousel-track {
  display: flex;
  width: calc(100% * 6); /* 4 real + 2 duplicates */
  animation: slideLoop 48s linear infinite;
}

@keyframes slideLoop {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-400%);
  }
}

/* ===== Features ===== */
.features .feature-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.feature-card {
  flex: 1 1 260px;
  padding: 1rem;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
}
.neon-outline {
  color: transparent;
  -webkit-text-stroke: 2px var(--neon-pink);
  text-shadow:
    0 0 8px var(--neon-pink),
    0 0 18px var(--neon-pink);
}

/* ===== Testimonials ===== */
.testimonials .card {
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius);
  padding: 1rem;
  display: grid;
  gap: 0.6rem;
  text-align: center;
}
.stars {
  color: var(--neon-yellow);
  text-shadow: 0 0 8px var(--neon-yellow);
}

/* carousel container */
.carousel {
  position: relative;
  width: 80%;
  margin: auto;
  overflow: hidden;
  background: black;
}

/* track */
.carousel-track {
  display: flex;
  width: 100%;
  animation: slide 32s infinite; /* 4 slides × 8s each */
}

/* each item */
.carousel-item {
  flex: 0 0 100%; /* each takes full width */
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  transition: all 0.6s ease-in-out;
}

/* images */
.carousel-item img {
  width: 60%;
  border-radius: 8px;
  transition: all 0.6s ease-in-out;
  filter: brightness(0.8) drop-shadow(0 0 2px #0ff);
  transform: scale(0.9);
}

/* active effect (center slide) */
.carousel-item.active img {
  filter: brightness(1.2) drop-shadow(0 0 12px #0ff);
  transform: scale(1);
}

/* reflection */
.carousel-item img::after {
  content: "";
  display: block;
  position: absolute;
  bottom: -40px;
  left: 0;
  width: 100%;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.3), transparent);
  transform: scaleY(-1);
  opacity: 0.5;
}

/* auto sliding with keyframes */
@keyframes slide {
  0%,
  20% {
    transform: translateX(0%);
  }
  25%,
  45% {
    transform: translateX(-100%);
  }
  50%,
  70% {
    transform: translateX(-200%);
  }
  75%,
  95% {
    transform: translateX(-300%);
  }
  100% {
    transform: translateX(0%);
  }
}

/* ===== Quote Form ===== */
.quote .quote-form {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.quote label {
  font-weight: 600;
}
.quote input[type="email"],
.quote textarea,
.quote select {
  background: #0f1216;
  color: var(--fg);
  border: 1px solid #26313b;
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
  outline: none;
  box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.35);
}
.quote input[type="email"]:focus,
.quote textarea:focus,
.quote select:focus {
  border-color: var(--neon-blue);
  box-shadow:
    0 0 10px rgba(0, 229, 255, 0.35),
    inset 0 0 10px rgba(0, 229, 255, 0.15);
}

/* ===== Footer ===== */
.footer {
  padding: 40px 1rem;
  text-align: center;
  color: var(--muted);
}

/* ===== Media Query ===== */
@media (max-width: 900px) {
  .hero .hero-grid {
    flex-direction: column;
    text-align: center;
  }
  .nav {
    gap: 0.6rem;
  }
  .slide {
    flex: 0 0 85%;
  }
  .carousel.small .slide {
    flex: 0 0 70%;
  }
}