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

:root {
  --black: #000000;
  --black-light: #0a0a0a;
  --green: #00e87b;
  --green-dim: #00c968;
  --green-glow: rgba(0, 232, 123, 0.15);
  --green-glow-strong: rgba(0, 232, 123, 0.3);
  --white: #ffffff;
  --white-muted: rgba(255, 255, 255, 0.5);
  --white-faint: rgba(255, 255, 255, 0.08);
  --font-display: 'Syne', sans-serif;
  --font-body: 'Outfit', sans-serif;
}

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

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: hidden;
  cursor: default;
}

::selection {
  background: var(--green);
  color: var(--black);
}

#canvas-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

#canvas-container canvas {
  display: block;
}

#grain {
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 0.5s steps(1) infinite;
}

@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-5%, -10%); }
  20% { transform: translate(-15%, 5%); }
  30% { transform: translate(7%, -25%); }
  40% { transform: translate(-5%, 25%); }
  50% { transform: translate(-15%, 10%); }
  60% { transform: translate(15%, 0%); }
  70% { transform: translate(0%, 15%); }
  80% { transform: translate(3%, 35%); }
  90% { transform: translate(-10%, 10%); }
}

.vignette {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0, 0, 0, 0.7) 100%);
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 2rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  opacity: 0;
  animation: fadeInDown 1s ease 0.5s forwards;
}

.logo-mark {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--white);
}

.logo-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green-glow-strong), 0 0 30px var(--green-glow);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}

main {
  position: relative;
  z-index: 10;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  position: relative;
}

.hero-content {
  text-align: center;
  max-width: 900px;
}

.reveal-line {
  overflow: hidden;
}

.tagline {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: clamp(0.75rem, 1.2vw, 0.9rem);
  text-transform: uppercase;
  letter-spacing: 0.35em;
  color: var(--green);
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(100%);
  animation: revealUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 1s forwards;
}

.headline {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 2rem;
}

.headline-row {
  display: block;
  font-size: clamp(3.5rem, 10vw, 8rem);
  letter-spacing: -0.04em;
  opacity: 0;
  transform: translateY(100%);
}

.headline-row:nth-child(1) {
  animation: revealUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) 1.2s forwards;
}

.headline-row:nth-child(2) {
  animation: revealUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) 1.4s forwards;
}

.headline-row.accent {
  color: var(--white);
  -webkit-text-stroke: 0;
}

.cursor-blink {
  color: var(--green);
  animation: blink 1s step-end infinite;
  font-weight: 400;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.sub-text {
  font-weight: 300;
  font-size: clamp(0.95rem, 1.5vw, 1.15rem);
  line-height: 1.8;
  color: var(--white-muted);
  margin-bottom: 3rem;
  opacity: 0;
  transform: translateY(100%);
  animation: revealUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 1.7s forwards;
}

.cta-block {
  opacity: 0;
  transform: translateY(100%);
  animation: revealUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 2s forwards;
}

.email-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.input-wrapper {
  display: flex;
  align-items: center;
  background: var(--white-faint);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 60px;
  padding: 0.35rem 0.35rem 0.35rem 1.5rem;
  width: 100%;
  max-width: 460px;
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.input-wrapper:focus-within {
  border-color: var(--green-dim);
  box-shadow: 0 0 0 1px var(--green-glow), 0 0 40px var(--green-glow);
}

.input-wrapper input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 300;
  letter-spacing: 0.01em;
}

.input-wrapper input::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.submit-btn {
  background: var(--green);
  color: var(--black);
  border: none;
  border-radius: 50px;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.submit-btn:hover {
  background: var(--white);
  transform: scale(1.03);
  box-shadow: 0 0 30px var(--green-glow);
}

.submit-btn .btn-arrow {
  transition: transform 0.3s ease;
}

.submit-btn:hover .btn-arrow {
  transform: translateX(3px);
}

.form-hint {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.2);
  font-weight: 300;
  letter-spacing: 0.03em;
}

.success-msg {
  display: none;
  font-size: 0.95rem;
  color: var(--green);
  font-weight: 400;
  letter-spacing: 0.02em;
  opacity: 0;
  animation: fadeIn 0.6s ease forwards;
}

.success-msg.visible {
  display: block;
}

.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  animation: fadeIn 1s ease 3s forwards;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--green), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0% { transform: scaleY(0); transform-origin: top; opacity: 0; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  50.01% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

.bottom-section {
  min-height: 30vh;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 3rem 2rem;
}

.bottom-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.status-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s ease-in-out infinite;
  box-shadow: 0 0 10px var(--green-glow-strong);
}

.status-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--white-muted);
  font-weight: 300;
}

.social-links {
  display: flex;
  gap: 1.25rem;
}

.social-link {
  color: rgba(255, 255, 255, 0.3);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.social-link:hover {
  color: var(--green);
  border-color: var(--green-dim);
  box-shadow: 0 0 20px var(--green-glow);
  transform: translateY(-2px);
}

.copyright {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.15);
  font-weight: 300;
  letter-spacing: 0.05em;
}

@keyframes revealUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .header {
    padding: 1.5rem;
  }

  .hero {
    padding: 1.5rem;
  }

  .input-wrapper {
    flex-direction: column;
    border-radius: 20px;
    padding: 0.75rem;
    gap: 0.5rem;
  }

  .input-wrapper input {
    width: 100%;
    text-align: center;
    padding: 0.5rem;
  }

  .submit-btn {
    width: 100%;
    justify-content: center;
    border-radius: 14px;
    padding: 0.85rem;
  }

  .sub-text br {
    display: none;
  }
}

@media (max-width: 480px) {
  .headline-row {
    font-size: clamp(2.5rem, 14vw, 4rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  #grain {
    display: none;
  }
}