@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700&family=Syne:wght@500;600;700;800&display=swap");

:root {
  --color-brand-50: #34d399;
  --color-brand-100: #064e3b;
  --color-brand-200: #047857;
  --color-brand-300: #059669;
  --color-brand-400: #10b981;
  --color-brand-500: #10b981;
  --color-brand-600: #34d399;
  --color-brand-700: #6ee7b7;
  --color-brand-800: #a7f3d0;

  --color-background-primary: #000000;
  --color-background-secondary: #0a0f0d;
  --color-text-primary: #ecfdf5;
  --color-text-secondary: #a7b8b0;
  --color-text-tertiary: #6b7f76;
  --color-border-primary: #1f3d32;

  --header-bg: rgba(0, 0, 0, 0.72);
  --header-border: rgba(16, 185, 129, 0.22);
  --header-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  --nav-hover-bg: rgba(16, 185, 129, 0.12);
  --mobile-nav-bg: rgba(0, 0, 0, 0.96);
  --card-bg: rgba(10, 20, 16, 0.72);
  --input-bg: rgba(0, 0, 0, 0.65);
  --button-text: #ecfdf5;
  --button-border: rgba(16, 185, 129, 0.45);
  --button-shadow: rgba(16, 185, 129, 0.35);
  --badge-border: rgba(16, 185, 129, 0.35);
  --color-success: #34d399;
  --color-error: #f87171;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 28vh;
}

html {
  background: #000;
}

body {
  font-family: "Manrope", system-ui, sans-serif;
  background: transparent;
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

.bg-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

#plexus-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.bg-vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 50% 40%, rgba(16, 185, 129, 0.06) 0%, transparent 55%),
    radial-gradient(ellipse 100% 80% at 50% 50%, transparent 35%, rgba(0, 0, 0, 0.72) 100%);
}

main {
  position: relative;
  z-index: 1;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 5.5rem 0;
  position: relative;
  z-index: 1;
}

.section--net {
  background: transparent;
}

.section--solid {
  background: #000;
  border-top: 1px solid rgba(16, 185, 129, 0.08);
  border-bottom: 1px solid rgba(16, 185, 129, 0.08);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.02),
    inset 0 -24px 48px rgba(0, 0, 0, 0.45);
}

.section--net .container {
  position: relative;
}

.section--net::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.12) 0%,
    transparent 14%,
    transparent 86%,
    rgba(0, 0, 0, 0.12) 100%
  );
}

h1,
h2,
h3,
.brand-wordmark {
  font-family: "Syne", system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  text-align: center;
  margin-bottom: 1rem;
}

.section-intro {
  text-align: center;
  max-width: 42rem;
  margin: 0 auto 2.5rem;
  color: var(--color-text-secondary);
  font-size: 1.1rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Header */
.site-header {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--header-border);
  border-radius: 2rem;
  padding: 0.5rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 75%;
  max-width: 1200px;
  box-shadow: var(--header-shadow);
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.site-header:hover {
  border-color: rgba(16, 185, 129, 0.35);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--color-text-primary);
}

.logo img {
  height: 32px;
  width: 32px;
  display: block;
}

.brand-wordmark {
  font-size: 1.35rem;
  line-height: 1;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 0.5rem;
}

.nav {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.nav a:not(.button) {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.4rem 0.75rem;
  border-radius: 1rem;
  transition: color 0.2s ease, background 0.2s ease;
}

.nav a:not(.button):hover {
  color: var(--color-brand-700);
  background: var(--nav-hover-bg);
}

.nav .button {
  color: #ffffff;
  font-weight: 700;
}

.nav .button:hover {
  color: #ffffff;
  background: linear-gradient(135deg, var(--color-brand-400), var(--color-brand-600));
}

.button {
  background: linear-gradient(135deg, var(--color-brand-400), var(--color-brand-600));
  color: var(--button-text);
  padding: 0.6rem 1.2rem;
  border-radius: 2rem;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  border: 1px solid var(--button-border);
  display: inline-block;
  cursor: pointer;
  font-family: inherit;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px var(--button-shadow);
}

.button-secondary {
  background: transparent;
  border-color: rgba(16, 185, 129, 0.35);
}

.button-secondary:hover {
  background: rgba(16, 185, 129, 0.08);
}

.button[disabled],
.button.is-disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 6rem;
  position: relative;
  z-index: 1;
  background: transparent;
}

.hero-content {
  max-width: 760px;
  padding: 0 2rem;
  position: relative;
  z-index: 2;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.65);
}

.hero-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.hero-brand .brand-logo-large {
  width: 56px;
  height: 56px;
}

.hero-brand .brand-wordmark {
  font-size: clamp(2.75rem, 9vw, 5rem);
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--color-text-primary);
  background: none;
  -webkit-text-fill-color: unset;
}

.promo-badge {
  display: inline-block;
  background: rgba(6, 78, 59, 0.65);
  color: var(--color-brand-700);
  padding: 0.45rem 1rem;
  border-radius: 2rem;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  border: 1px solid var(--badge-border);
}

.hero h1 {
  font-size: clamp(1.85rem, 4.5vw, 2.85rem);
  font-weight: 600;
  margin-bottom: 1.25rem;
  max-width: 34rem;
  margin-left: auto;
  margin-right: auto;
}

.hero p {
  font-size: 1.15rem;
  margin-bottom: 2rem;
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
  color: var(--color-text-secondary);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

/* Demo */
.demo-frame {
  position: relative;
  width: 100%;
  max-width: 672px;
  margin: 0 auto;
  aspect-ratio: 4 / 3;
  border-radius: 1rem;
  border: 1px solid var(--color-border-primary);
  background: #000;
  overflow: hidden;
  isolation: isolate;
  z-index: 2;
}

.demo-video {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  border: 0;
  background: #000;
  display: block;
  z-index: 2;
  transform: translate(-50%, -50%) scale(1.12);
  pointer-events: auto;
}

/* Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
  text-align: left;
}

.step-card {
  background: var(--card-bg);
  border: 1px solid var(--color-border-primary);
  border-radius: 1rem;
  padding: 1.75rem 1.5rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.step-card:hover {
  border-color: rgba(16, 185, 129, 0.45);
  box-shadow: 0 8px 28px rgba(16, 185, 129, 0.12);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-brand-600);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 0.85rem;
}

.step-card h3 {
  font-family: "Syne", system-ui, sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step-card p {
  color: var(--color-text-secondary);
  font-size: 0.98rem;
}

/* Launch */
.launch-block {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.launch-date {
  color: var(--color-brand-700);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.countdown {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.countdown-unit {
  background: var(--card-bg);
  border: 1px solid var(--color-border-primary);
  border-radius: 1rem;
  padding: 1.25rem 0.75rem;
}

.countdown-value {
  display: block;
  font-family: "Syne", system-ui, sans-serif;
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-text-primary);
}

.countdown-label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-tertiary);
}

.launch-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.launch-note {
  font-size: 0.85rem;
  color: var(--color-text-tertiary);
}

/* Pricing */
.pricing-block {
  text-align: center;
  max-width: 520px;
  margin: 0 auto;
}

.pricing-amount {
  font-family: "Syne", system-ui, sans-serif;
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  font-weight: 800;
  color: var(--color-text-primary);
  margin: 0.5rem 0;
}

.pricing-amount span {
  font-family: "Manrope", sans-serif;
  font-size: 1rem;
  color: var(--color-text-tertiary);
  font-weight: 500;
}

.pricing-trial {
  color: var(--color-brand-700);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.pricing-detail {
  color: var(--color-text-secondary);
  margin-bottom: 1.75rem;
}

/* Founder */
.founder-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2.5rem;
  align-items: center;
  margin-top: 2rem;
}

.founder-photo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(16, 185, 129, 0.35);
  box-shadow: 0 0 32px rgba(16, 185, 129, 0.15);
}

.founder-info {
  text-align: left;
}

.founder-title {
  color: var(--color-brand-700);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.founder-quote {
  font-style: italic;
  font-size: 1.15rem;
  margin: 1rem 0;
  color: var(--color-text-secondary);
}

.quote-mark {
  color: var(--color-brand-500);
  font-style: normal;
}

.linkedin-button {
  margin-top: 0.5rem;
}

/* Waitlist */
#waitlist {
  text-align: center;
}

.waitlist-form {
  max-width: 420px;
  margin: 1.5rem auto 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-align: left;
}

.waitlist-form label {
  font-weight: 600;
  font-size: 0.9rem;
}

.waitlist-form input[type="email"] {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid var(--color-border-primary);
  background: var(--input-bg);
  color: var(--color-text-primary);
  font: inherit;
}

.waitlist-form input[type="email"]:focus {
  outline: none;
  border-color: var(--color-brand-500);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.waitlist-form input[type="email"]:disabled {
  opacity: 0.65;
}

.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.waitlist-submit {
  position: relative;
  min-height: 2.75rem;
  width: 100%;
}

.waitlist-submit-default,
.waitlist-submit-loading,
.waitlist-submit-success {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.waitlist-submit-loading,
.waitlist-submit-success,
.waitlist-submit-spinner {
  display: none;
}

.waitlist-submit.is-loading .waitlist-submit-default {
  display: none;
}

.waitlist-submit.is-loading .waitlist-submit-loading {
  display: inline-flex;
}

.waitlist-submit.is-success .waitlist-submit-default,
.waitlist-submit.is-success .waitlist-submit-loading {
  display: none;
}

.waitlist-submit.is-success .waitlist-submit-success {
  display: inline-flex;
}

.waitlist-submit-spinner {
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: waitlist-spin 0.7s linear infinite;
}

.waitlist-submit-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  font-size: 0.75rem;
}

@keyframes waitlist-spin {
  to { transform: rotate(360deg); }
}

.waitlist-message {
  font-size: 0.95rem;
  text-align: center;
}

.waitlist-message.success {
  color: var(--color-success);
}

.waitlist-message.error {
  color: var(--color-error);
}

/* Footer */
.site-footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid rgba(16, 185, 129, 0.1);
  text-align: center;
  color: var(--color-text-tertiary);
  font-size: 0.9rem;
  background: #000;
  position: relative;
  z-index: 1;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 1.5rem;
  margin-bottom: 1rem;
}

.footer-nav a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 600;
}

.footer-nav a:hover {
  color: var(--color-brand-700);
}

/* Responsive */
@media (max-width: 1024px) {
  .site-header {
    top: 0.5rem;
    width: calc(100% - 1rem);
    max-width: none;
  }

  .menu-toggle {
    display: block;
  }

  .nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: var(--mobile-nav-bg);
    flex-direction: column;
    padding: 5rem 0 2rem;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    z-index: 1000;
  }

  .nav.open {
    transform: translateX(0);
  }

  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
    z-index: 999;
  }

  .nav-overlay.open {
    opacity: 1;
    visibility: visible;
  }
}

@media (max-width: 768px) {
  .founder-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .founder-info {
    text-align: center;
  }

  .founder-image {
    display: flex;
    justify-content: center;
  }

  .countdown {
    gap: 0.5rem;
  }

  .countdown-unit {
    padding: 1rem 0.35rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}