/* ─────────────────────────────────────────────────────
   Reset & Base
───────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-brand);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

/* ─────────────────────────────────────────────────────
   Layout
───────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ─────────────────────────────────────────────────────
   Typography utilities
───────────────────────────────────────────────────── */
.section-label {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-subtle);
  margin-bottom: 1.25rem;
}

/* ─────────────────────────────────────────────────────
   HERO
───────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.55;
}

.hero__bg-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, transparent 0%, rgba(10,10,10,0.55) 60%, rgba(10,10,10,0.92) 100%),
    linear-gradient(to bottom, rgba(10,10,10,0.3) 0%, rgba(10,10,10,0.0) 30%, rgba(10,10,10,0.6) 80%, rgba(10,10,10,1) 100%);
}

/* Particle canvas */
.particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

/* Content */
.hero__content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 3rem;
  padding: 4rem 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-img {
  height: 40px;
  width: auto;
  opacity: 0.95;
}

.hero__text {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  max-width: 680px;
}

.hero__eyebrow {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.50em;
  text-transform: uppercase;
  color: var(--color-subtle);
  opacity: 0;
  animation: fadeUp 1s ease 0.2s forwards;
}

.hero__tagline {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.08;
  color: var(--color-text);
  opacity: 0;
  animation: fadeUp 1s ease 0.45s forwards;
}

.hero__tagline-accent {
  color: var(--color-signal);
  font-style: italic;
}

.hero__sub {
  font-size: 1.0625rem;
  font-weight: 300;
  color: var(--color-muted);
  letter-spacing: 0.01em;
  opacity: 0;
  animation: fadeUp 1s ease 0.7s forwards;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8125rem 2rem;
  border: 1px solid rgba(245, 230, 204, 0.2);
  border-radius: 2px;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  background: rgba(245, 230, 204, 0.04);
  backdrop-filter: blur(8px);
  transition: background 0.35s ease, border-color 0.35s ease, color 0.35s ease;
  opacity: 0;
  animation: fadeUp 1s ease 1s forwards;
}

.hero__cta:hover {
  background: rgba(245, 230, 204, 0.1);
  border-color: rgba(245, 230, 204, 0.4);
  color: var(--color-signal);
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  opacity: 0;
  animation: fadeIn 1s ease 1.6s forwards;
}

.scroll-line {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, rgba(245, 230, 204, 0.3));
  margin: 0 auto;
  animation: scrollPulse 2.5s ease-in-out infinite;
}

/* ─────────────────────────────────────────────────────
   TEASER
───────────────────────────────────────────────────── */
.teaser {
  padding: 8rem 0;
  background: var(--color-bg);
  position: relative;
}

.teaser::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(245, 230, 204, 0.08), transparent);
}

.teaser__grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 5rem;
  align-items: center;
}

/* Signal animation */
.teaser__signal-col {
  display: flex;
  align-items: center;
  justify-content: center;
}

.signal-sweep {
  position: relative;
  width: 220px;
  height: 220px;
  flex-shrink: 0;
}

.signal-sweep__arc {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(245, 230, 204, 0.12);
  animation: signalPulse 4s ease-out infinite;
}

.signal-sweep__arc--2 {
  inset: 20px;
  animation-delay: 1.33s;
  border-color: rgba(245, 230, 204, 0.09);
}

.signal-sweep__arc--3 {
  inset: 40px;
  animation-delay: 2.66s;
  border-color: rgba(245, 230, 204, 0.07);
}

.signal-sweep__dot {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-signal);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 12px 3px rgba(255, 248, 238, 0.25);
  animation: dotGlow 3s ease-in-out infinite;
}

/* Copy */
.teaser__copy-col {
  max-width: 560px;
}

.teaser__headline {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.18;
  color: var(--color-text);
  margin-bottom: 2rem;
}

.teaser__body {
  font-size: 1rem;
  font-weight: 300;
  color: var(--color-muted);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.teaser__divider {
  width: 40px;
  height: 1px;
  background: rgba(245, 230, 204, 0.2);
  margin: 2rem 0;
}

.teaser__hint {
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: 0.01em;
  font-style: italic;
}

/* ─────────────────────────────────────────────────────
   PRODUCT HINT
───────────────────────────────────────────────────── */
.product {
  padding: 8rem 0;
  background: var(--color-bg-soft);
  position: relative;
  overflow: hidden;
}

.product::before,
.product::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(245, 230, 204, 0.07), transparent);
}

.product::before { top: 0; }
.product::after  { bottom: 0; }

.product__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6rem;
}

/* Glyph */
.product__glyph {
  position: relative;
  width: 180px;
  height: 180px;
  flex-shrink: 0;
}

.glyph-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(245, 230, 204, 0.1);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.glyph-ring--1 {
  width: 180px;
  height: 180px;
  animation: ringRotate 28s linear infinite;
}

.glyph-ring--2 {
  width: 120px;
  height: 120px;
  border-style: dashed;
  animation: ringRotate 18s linear infinite reverse;
  border-color: rgba(245, 230, 204, 0.07);
}

.glyph-ring--3 {
  width: 60px;
  height: 60px;
  animation: ringRotate 12s linear infinite;
  border-color: rgba(245, 230, 204, 0.14);
}

.glyph-center {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 248, 238, 0.8);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 20px 6px rgba(255, 248, 238, 0.15);
}

/* Copy */
.product__copy {
  max-width: 440px;
}

.product__name {
  font-size: clamp(3.5rem, 7vw, 5.5rem);
  font-weight: 300;
  letter-spacing: 0.18em;
  line-height: 1;
  color: var(--color-text);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}

.product__descriptor {
  font-size: 1.0625rem;
  font-weight: 300;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.product__coming {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-subtle);
}

/* ─────────────────────────────────────────────────────
   NOTIFY
───────────────────────────────────────────────────── */
.notify {
  padding: 8rem 0;
  background: var(--color-bg);
  position: relative;
}

.notify::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(245, 230, 204, 0.08), transparent);
}

.notify__inner {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.notify__headline {
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: 1.25rem;
}

.notify__sub {
  font-size: 1rem;
  font-weight: 300;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 2.75rem;
}

/* Form */
.notify__form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.875rem;
}

.form-row {
  display: flex;
  width: 100%;
  max-width: 460px;
  gap: 0;
}

.form-input {
  flex: 1;
  padding: 0.875rem 1.25rem;
  background: var(--color-surface);
  border: 1px solid rgba(245, 230, 204, 0.12);
  border-right: none;
  border-radius: 2px 0 0 2px;
  color: var(--color-text);
  font-family: var(--font-brand);
  font-size: 0.9375rem;
  font-weight: 300;
  outline: none;
  transition: border-color 0.25s ease;
  min-width: 0;
}

.form-input::placeholder {
  color: var(--color-subtle);
  opacity: 0.6;
}

.form-input:focus {
  border-color: rgba(245, 230, 204, 0.3);
}

.form-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  background: rgba(245, 230, 204, 0.08);
  border: 1px solid rgba(245, 230, 204, 0.2);
  border-radius: 0 2px 2px 0;
  color: var(--color-text);
  font-family: var(--font-brand);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.form-btn:hover {
  background: rgba(245, 230, 204, 0.14);
  border-color: rgba(245, 230, 204, 0.35);
  color: var(--color-signal);
}

.form-btn__icon {
  font-size: 1rem;
  transition: transform 0.2s ease;
}

.form-btn:hover .form-btn__icon {
  transform: translateX(3px);
}

.form-note {
  font-size: 0.75rem;
  color: var(--color-subtle);
  letter-spacing: 0.03em;
  opacity: 0.7;
}

.form-status {
  font-size: 0.875rem;
  min-height: 1.4em;
  color: var(--color-muted);
  letter-spacing: 0.02em;
  transition: opacity 0.3s ease;
}

.form-status.success {
  color: rgba(200, 220, 180, 0.9);
}

.form-status.error {
  color: rgba(220, 160, 140, 0.9);
}

/* ─────────────────────────────────────────────────────
   FOOTER
───────────────────────────────────────────────────── */
.footer {
  padding: 3rem 0;
  background: var(--color-bg-soft);
  border-top: 1px solid rgba(245, 230, 204, 0.06);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer__logo {
  height: 28px;
  width: auto;
  opacity: 0.7;
}

.footer__tagline {
  font-size: 0.8125rem;
  font-weight: 300;
  color: var(--color-subtle);
  letter-spacing: 0.04em;
}

.footer__links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer__social {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(245, 230, 204, 0.1);
  border-radius: 2px;
  color: var(--color-subtle);
  transition: border-color 0.25s ease, color 0.25s ease;
}

.footer__social:hover {
  border-color: rgba(245, 230, 204, 0.25);
  color: var(--color-muted);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(245, 230, 204, 0.05);
}

.footer__copy {
  font-size: 0.75rem;
  color: var(--color-subtle);
  opacity: 0.6;
}

.footer__legal {
  display: flex;
  gap: 1.5rem;
}

.footer__legal-link {
  font-size: 0.75rem;
  color: var(--color-subtle);
  opacity: 0.6;
  transition: opacity 0.2s ease;
}

.footer__legal-link:hover {
  opacity: 1;
}

/* ─────────────────────────────────────────────────────
   Keyframes
───────────────────────────────────────────────────── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50%       { opacity: 0.7; transform: scaleY(1.15); }
}

@keyframes signalPulse {
  0%   { transform: scale(0.85); opacity: 0; }
  20%  { opacity: 1; }
  100% { transform: scale(1.15); opacity: 0; }
}

@keyframes dotGlow {
  0%, 100% { box-shadow: 0 0 12px 3px rgba(255,248,238,0.2); }
  50%       { box-shadow: 0 0 20px 6px rgba(255,248,238,0.35); }
}

@keyframes ringRotate {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to   { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ─────────────────────────────────────────────────────
   Responsive
───────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .teaser__grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .teaser__signal-col {
    order: -1;
  }

  .signal-sweep {
    width: 160px;
    height: 160px;
  }

  .teaser__copy-col {
    max-width: 100%;
  }

  .product__inner {
    flex-direction: column;
    gap: 3rem;
    text-align: center;
  }

  .product__copy {
    max-width: 100%;
  }
}

@media (max-width: 600px) {
  .teaser,
  .product,
  .notify {
    padding: 5rem 0;
  }

  .form-row {
    flex-direction: column;
  }

  .form-input {
    border-right: 1px solid rgba(245, 230, 204, 0.12);
    border-bottom: none;
    border-radius: 2px 2px 0 0;
  }

  .form-btn {
    justify-content: center;
    border-radius: 0 0 2px 2px;
  }

  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
}