* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  color: #fff;
  background: linear-gradient(-45deg, #05080f, #0b1220, #071a2d, #02060f);
  background-size: 400% 400%;
  animation: gradientBG 20s ease infinite;
}

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

#particles-js {
  position: fixed;
  inset: 0;
  z-index: -1;
}

/* NAV */
header {
  position: fixed;
  width: 100%;
  top: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(12px);
  z-index: 10;
}

nav {
  display: flex;
  justify-content: space-between;
  padding: 15px 40px;
}

nav ul {
  list-style: none;
  display: flex;
}

nav li {
  margin-left: 25px;
}

nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
}

/* HERO */
.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 20px;
}

.hero h1 {
  font-size: clamp(2.6rem, 5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  text-shadow: 0 0 25px rgba(0,212,255,0.4);
}

.hero-sub {
  margin-top: 20px;
  font-size: 1.15rem;
  color: rgba(255,255,255,0.85);
}

.gradient-text {
  background: linear-gradient(90deg, #00d4ff, #7c7cff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* SECTIONS */
.section {
  padding: 110px 10%;
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.9s ease;
}

.section.visible {
  opacity: 1;
  transform: translateY(0);
}

.section.dark {
  background: rgba(255,255,255,0.04);
}

h2 {
  font-size: clamp(2rem, 4vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 25px;
}

h3 {
  margin-top: 40px;
  margin-bottom: 15px;
  font-weight: 600;
}

.section-intro {
  font-size: 1.15rem;
  font-weight: 500;
  max-width: 850px;
  margin-bottom: 40px;
  color: rgba(255,255,255,0.9);
}

p {
  max-width: 900px;
  line-height: 1.75;
  color: rgba(255,255,255,0.82);
}

/* LIST */
ul {
  list-style: none;
  margin-top: 20px;
}

ul li {
  padding-left: 22px;
  margin-bottom: 12px;
  position: relative;
}

ul li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: #00d4ff;
}

/* CARDS */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 25px;
}

.card {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 14px;
  padding: 25px;
  box-shadow: 0 0 35px rgba(0,212,255,0.15);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 0 45px rgba(0,212,255,0.35);
}

/* TESTIMONIAL */
blockquote {
  border-left: 3px solid #00d4ff;
  padding-left: 20px;
  margin-bottom: 35px;
  font-style: italic;
  color: rgba(255,255,255,0.9);
}

blockquote span {
  display: block;
  margin-top: 8px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
}

/* CONTACT */
.contact-email {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 20px;
}

/* PRODUCT SHOWCASE (products.html) */
.showcase {
  display: flex;
  flex-direction: column;
  gap: 60px;
  margin-top: 20px;
}

.showcase-item {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 0 35px rgba(0,212,255,0.12);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.showcase-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 0 50px rgba(0,212,255,0.30);
}

.showcase-kicker {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #00d4ff;
  margin-bottom: 6px;
}

.showcase-item h3 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 1.35rem;
}

.showcase-figure {
  margin: 16px 0 0;
}

.showcase-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.10);
}

.showcase-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 18px;
}

.showcase-foot p {
  margin: 0;
  flex: 1 1 320px;
  color: rgba(255,255,255,0.8);
}

.btn {
  display: inline-block;
  white-space: nowrap;
  padding: 12px 24px;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  color: #04101c;
  background: linear-gradient(90deg, #00d4ff, #7c7cff);
  box-shadow: 0 0 25px rgba(0,212,255,0.35);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(0,212,255,0.55);
}

/* FOOTER */
footer {
  text-align: center;
  padding: 25px;
  background: rgba(0,0,0,0.7);
}

/* MOBILE */
@media (max-width: 768px) {
  nav ul {
    display: none;
  }
}