/* ============================================
   SECTIONS — Hero, Products, Features, CTA
   ============================================ */

/* ════════════════════════════════════════════
   HERO
   ════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding-top: 56px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

/* Three.js canvas inserted here */
.hero__bg canvas {
  width: 100% !important;
  height: 100% !important;
}

.hero__gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.3;
  pointer-events: none;
}

.hero__gradient-orb--1 {
  width: 600px;
  height: 600px;
  background: var(--color-accent);
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0.08;
}

.hero__gradient-orb--2 {
  width: 400px;
  height: 400px;
  background: #a855f7;
  bottom: 20%;
  right: 10%;
  opacity: 0.05;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: 0 var(--gutter);
}

.hero__chip {
  margin-bottom: 2rem;
  display: inline-flex;
}

.hero__title {
  font-size: var(--fs-mega);
  font-weight: var(--fw-bold);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 1.5rem;
  background: linear-gradient(180deg, var(--color-white) 0%, var(--color-platinum) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  color: var(--color-titanium);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: var(--lh-body);
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--color-accent), transparent);
  animation: scroll-line 2s infinite;
}

@keyframes scroll-line {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

.hero__scroll-text {
  font-size: var(--fs-micro);
  color: var(--color-steel);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}

/* ════════════════════════════════════════════
   MARQUEE BANNER
   ════════════════════════════════════════════ */
.marquee {
  padding: var(--space-md) 0;
  overflow: hidden;
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee-scroll 30s linear infinite;
  gap: var(--space-lg);
}

.marquee__item {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: var(--fw-light);
  color: var(--color-graphite);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.marquee__item::after {
  content: '◆';
  font-size: 0.5rem;
  color: var(--color-steel);
}

@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ════════════════════════════════════════════
   PRODUCTS GRID
   ════════════════════════════════════════════ */
.products {
  padding: var(--section-padding) 0;
}

.products__header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.products__eyebrow {
  font-size: var(--fs-micro);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-ultra);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.products__title {
  font-size: var(--fs-h1);
  margin-bottom: 1rem;
}

.products__subtitle {
  color: var(--color-titanium);
  margin: 0 auto;
}

.products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* ════════════════════════════════════════════
   SHOWCASE (large feature product)
   ════════════════════════════════════════════ */
.showcase {
  padding: var(--section-padding) 0;
  overflow: hidden;
}

.showcase__visual {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  max-width: 1000px;
  margin: 0 auto var(--space-xl);
  perspective: 1200px;
}

.showcase__device {
  width: 100%;
  height: 100%;
  background: linear-gradient(145deg, var(--color-graphite), var(--color-carbon));
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255,255,255,0.06);
  box-shadow:
    0 40px 100px rgba(0,0,0,0.5),
    0 0 0 1px rgba(255,255,255,0.03) inset,
    0 -2px 30px rgba(41,151,255,0.05);
  transform-style: preserve-3d;
  transform: rotateX(4deg);
  transition: transform var(--duration-slow) var(--ease-out-expo);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.showcase__device:hover {
  transform: rotateX(0deg) scale(1.02);
}

.showcase__screen {
  width: 92%;
  height: 88%;
  background: linear-gradient(135deg, #0f0f12 0%, #1a1a2e 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.showcase__screen-content {
  font-family: var(--font-mono);
  font-size: clamp(0.6rem, 1vw, 0.85rem);
  color: var(--color-accent);
  text-align: left;
  padding: 2rem;
  width: 100%;
  opacity: 0.5;
  line-height: 1.8;
}

.showcase__screen-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(41,151,255,0.08), transparent 70%);
  pointer-events: none;
}

.showcase__info {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.showcase__label {
  font-size: var(--fs-micro);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-ultra);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.showcase__name {
  font-size: var(--fs-hero);
  font-weight: var(--fw-bold);
  margin-bottom: 1rem;
}

.showcase__desc {
  color: var(--color-titanium);
  margin: 0 auto 2rem;
}

.showcase__specs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: var(--space-lg);
}

/* ════════════════════════════════════════════
   CTA / NEWSLETTER
   ════════════════════════════════════════════ */
.cta {
  padding: var(--section-padding) 0;
  text-align: center;
  position: relative;
}

.cta__box {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
  background: linear-gradient(145deg, rgba(41,151,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid rgba(41,151,255,0.1);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.cta__box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle at 50% 50%,
    rgba(41, 151, 255, 0.06),
    transparent 50%
  );
  pointer-events: none;
}

.cta__title {
  font-size: var(--fs-h1);
  margin-bottom: 1rem;
  position: relative;
}

.cta__text {
  color: var(--color-titanium);
  margin: 0 auto 2.5rem;
  position: relative;
}

.cta__form {
  display: flex;
  gap: 0.75rem;
  max-width: 480px;
  margin: 0 auto;
  position: relative;
}

.cta__input {
  flex: 1;
  padding: 0.85rem 1.25rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  color: var(--color-frost);
  font-family: var(--font-body);
  font-size: var(--fs-small);
  outline: none;
  transition: border-color var(--duration-fast) ease;
}

.cta__input::placeholder {
  color: var(--color-steel);
}

.cta__input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}