:root {
  --black: #0a0a0a;
  --card: #111111;
  --border: rgba(255,255,255,0.09);
  --blue: #1d9bf0;
  --blue-dim: rgba(29,155,240,0.12);
  --gray: #71767b;
  --white: #ffffff;
  --danger: #ff6b6b;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 2.5rem; border-bottom: 1px solid var(--border);
  position: sticky; top: 0;
  background: rgba(10,10,10,0.9); backdrop-filter: blur(14px); z-index: 100;
}

.nav-logo {
  display: flex; align-items: center; gap: 9px;
  font-family: 'Syne', sans-serif; font-weight: 800;
  font-size: 1.25rem; text-decoration: none; color: var(--white);
}

.logo-icon {
  width: 32px; height: 32px; background: var(--blue);
  border-radius: 8px; display: flex; align-items: center;
  justify-content: center; font-size: 1rem;
}

.nav-right { display: flex; align-items: center; gap: 1rem; }
.nav-link { color: var(--gray); text-decoration: none; font-size: 0.9rem; transition: color 0.2s; }
.nav-link:hover { color: var(--white); }

.nav-cta,
.btn-primary,
.btn-ghost {
  text-decoration: none;
  display: inline-block;
  cursor: pointer;
}

.nav-cta {
  background: var(--white); color: var(--black); border: none;
  padding: 0.45rem 1.1rem; border-radius: 999px;
  font-family: 'DM Sans', sans-serif; font-weight: 500;
  font-size: 0.88rem; transition: opacity 0.2s;
}
.nav-cta:hover { opacity: 0.85; }

.hero {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 2rem; align-items: center;
  max-width: 1140px; margin: 0 auto;
  padding: 5rem 2.5rem 4rem; min-height: 88vh;
}

.hero-left { animation: fadeUp 0.6s ease both; }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--blue-dim); border: 1px solid rgba(29,155,240,0.28);
  color: var(--blue); font-size: 0.78rem; font-weight: 500;
  padding: 0.28rem 0.75rem; border-radius: 999px; margin-bottom: 1.6rem;
}

.hero h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.6rem, 4.5vw, 4rem);
  font-weight: 800; line-height: 1.08;
  margin-bottom: 1.2rem; letter-spacing: -0.025em;
}

.hero h1 em { font-style: italic; color: var(--blue); font-family: 'DM Sans', sans-serif; font-weight: 400; }
.hero p { font-size: 1rem; color: #999; margin-bottom: 2.2rem; max-width: 420px; line-height: 1.75; }

.hero-actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

.btn-primary {
  background: var(--blue); color: var(--white); border: none;
  padding: 0.72rem 1.7rem; border-radius: 999px;
  font-family: 'DM Sans', sans-serif; font-weight: 500; font-size: 0.95rem;
  transition: background 0.2s, transform 0.15s;
}
.btn-primary:hover { background: #1670b8; transform: translateY(-1px); }

.btn-ghost {
  background: transparent; color: var(--white);
  border: 1px solid var(--border); padding: 0.72rem 1.5rem;
  border-radius: 999px; font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem; transition: border-color 0.2s;
}
.btn-ghost:hover { border-color: rgba(255,255,255,0.3); }

.hero-right { position: relative; height: 520px; animation: fadeUp 0.6s 0.15s ease both; }

.float-card {
  position: absolute; background: var(--card);
  border: 1px solid var(--border); border-radius: 14px;
  padding: 1rem 1.1rem; font-size: 0.82rem;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  animation: float 4s ease-in-out infinite;
}

.card-main { top: 40px; right: 0; width: 240px; animation-delay: 0.8s; }
.card-tweet { top: 20px; left: 0; width: 210px; animation-delay: 0s; }
.card-reply { bottom: 60px; left: 20px; width: 220px; animation-delay: 1.4s; }
.card-stats { bottom: 30px; right: 20px; width: 130px; text-align: center; animation-delay: 0.4s; }
.card-platforms { top: 280px; left: 30px; width: 160px; animation-delay: 1s; }

.card-main-header {
  display: flex; align-items: center; gap: 7px;
  margin-bottom: 0.9rem;
  font-family: 'Syne', sans-serif; font-weight: 700; font-size: 0.9rem;
}
.card-main-header span { color: var(--blue); }
.card-row { margin-bottom: 0.7rem; }
.card-label { color: var(--gray); font-size: 0.72rem; margin-bottom: 3px; }
.card-value {
  background: #1a1a1a; border: 1px solid var(--border);
  border-radius: 6px; padding: 0.4rem 0.7rem; font-size: 0.8rem; color: #ccc;
}
.tone-row { display: flex; gap: 5px; flex-wrap: wrap; margin: 0.7rem 0; }
.tone-chip {
  padding: 3px 8px; border-radius: 999px;
  border: 1px solid var(--border); font-size: 0.7rem; color: #aaa;
}
.tone-chip.active { background: var(--blue); border-color: var(--blue); color: #fff; }
.gen-btn {
  width: 100%; background: var(--blue); color: #fff;
  border: none; border-radius: 8px; padding: 0.5rem;
  font-size: 0.8rem; font-weight: 500; cursor: pointer; margin-top: 0.5rem;
}
.tweet-user { display: flex; align-items: center; gap: 7px; margin-bottom: 0.5rem; }
.tweet-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(135deg, #1d9bf0, #0d47a1);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; font-weight: 700;
}
.tweet-name { font-weight: 500; font-size: 0.8rem; }
.tweet-handle { color: var(--gray); font-size: 0.72rem; }
.tweet-text { font-size: 0.8rem; color: #ccc; line-height: 1.5; }
.reply-label { color: var(--gray); font-size: 0.7rem; margin-bottom: 0.4rem; display: flex; align-items: center; gap: 5px; }
.reply-dot { width: 6px; height: 6px; border-radius: 50%; background: #00c853; }
.reply-text { font-size: 0.8rem; color: #ddd; line-height: 1.5; }
.stat-num { font-family: 'Syne', sans-serif; font-size: 1.8rem; font-weight: 800; color: var(--blue); }
.stat-label { color: var(--gray); font-size: 0.72rem; margin-top: 2px; }
.platform-item {
  display: flex; align-items: center; gap: 7px;
  padding: 0.35rem 0; border-bottom: 1px solid var(--border); font-size: 0.78rem;
}
.platform-item:last-child { border-bottom: none; }
.p-dot { width: 7px; height: 7px; border-radius: 50%; }

.works-bar { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.works-inner {
  max-width: 1140px; margin: 0 auto; padding: 1rem 2.5rem;
  display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap;
}
.works-label { color: var(--gray); font-size: 0.82rem; }
.platform-tag {
  display: flex; align-items: center; gap: 6px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 999px; padding: 0.3rem 0.85rem; font-size: 0.82rem;
}
.tag-dot { width: 7px; height: 7px; border-radius: 50%; }

.demo-section { max-width: 900px; margin: 6rem auto; padding: 0 2.5rem; text-align: center; }
.section-eyebrow {
  color: var(--blue); font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 0.8rem;
}
.section-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800; letter-spacing: -0.02em; margin-bottom: 3rem;
}
.video-container {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 20px; overflow: hidden; aspect-ratio: 16/9;
  display: flex; align-items: center; justify-content: center;
}
.video-container video { width: 100%; height: 100%; object-fit: cover; }
.video-placeholder { display: flex; flex-direction: column; align-items: center; gap: 14px; color: var(--gray); }
.play-btn {
  width: 64px; height: 64px; border-radius: 50%;
  background: rgba(29,155,240,0.15); border: 1px solid rgba(29,155,240,0.3);
  display: flex; align-items: center; justify-content: center; font-size: 1.6rem;
}

.features { max-width: 1140px; margin: 2rem auto 6rem; padding: 0 2.5rem; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1rem; margin-top: 3rem; }
.feature-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 1.4rem; transition: border-color 0.2s;
}
.feature-card:hover { border-color: rgba(29,155,240,0.35); }
.feature-icon {
  width: 38px; height: 38px; background: var(--blue-dim);
  border-radius: 9px; display: flex; align-items: center;
  justify-content: center; font-size: 1.1rem; margin-bottom: 0.9rem;
}
.feature-card h3 { font-family: 'Syne', sans-serif; font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.feature-card p { color: #888; font-size: 0.87rem; line-height: 1.65; }

.tones-section { max-width: 1140px; margin: 0 auto 6rem; padding: 0 2.5rem; text-align: center; }
.tones-grid { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-top: 2rem; }
.tone-pill {
  padding: 0.5rem 1.2rem; border-radius: 999px;
  border: 1px solid var(--border); background: var(--card);
  font-size: 0.88rem; font-weight: 500; cursor: pointer; transition: all 0.2s;
}
.tone-pill:hover { border-color: rgba(29,155,240,0.4); }
.tone-pill.active { background: var(--blue); border-color: var(--blue); }

.pricing { max-width: 480px; margin: 0 auto 7rem; padding: 0 2rem; text-align: center; }
.pricing-card {
  background: var(--card); border: 1px solid rgba(29,155,240,0.35);
  border-radius: 22px; padding: 2.5rem 2rem; margin-top: 2.5rem; position: relative; overflow: hidden;
}
.pricing-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--blue); }
.pricing-badge {
  background: var(--blue-dim); color: var(--blue);
  font-size: 0.76rem; font-weight: 500; padding: 0.28rem 0.75rem;
  border-radius: 999px; display: inline-block; margin-bottom: 1.2rem;
}
.pricing-orig { text-decoration: line-through; color: var(--gray); font-size: 0.83rem; }
.pricing-amount { font-family: 'Syne', sans-serif; font-size: 3.8rem; font-weight: 800; line-height: 1; margin: 0.2rem 0; }
.pricing-amount sup { font-size: 1.4rem; vertical-align: top; margin-top: 0.6rem; display: inline-block; }
.pricing-sub { color: var(--gray); font-size: 0.83rem; margin-bottom: 1.5rem; }
.pricing-features { list-style: none; margin: 1.5rem 0; text-align: left; }
.pricing-features li {
  padding: 0.5rem 0; border-bottom: 1px solid var(--border);
  font-size: 0.88rem; display: flex; align-items: center; gap: 8px; color: #ccc;
}
.pricing-features li:last-child { border-bottom: none; }
.check { color: var(--blue); }
.spots { font-size: 0.78rem; color: #ff6b35; margin-top: 1rem; }

.payment-form {
  text-align: left;
  margin-top: 1.25rem;
}

.form-row {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.form-row label {
  font-size: 0.85rem;
  color: #cfcfcf;
}

.form-row input {
  width: 100%;
  border: 1px solid var(--border);
  background: #1a1a1a;
  color: var(--white);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  font: inherit;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-row input::placeholder { color: #6f6f6f; }

.form-row input:focus {
  border-color: rgba(29,155,240,0.65);
  box-shadow: 0 0 0 3px rgba(29,155,240,0.12);
}

.form-error {
  min-height: 1.2rem;
  margin: 0.2rem 0 0.9rem;
  color: var(--danger);
  font-size: 0.85rem;
}

.payment-btn {
  width: 100%;
  text-align: center;
  display: block;
  padding: 0.95rem 1rem;
  margin-top: 0.25rem;
}

footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 2rem;
  color: var(--gray);
  font-size: 0.83rem;
}
footer a { color: var(--blue); text-decoration: none; }

@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding: 3rem 1.5rem 2rem; }
  .hero-right { height: 360px; }
  .card-main { width: 200px; right: 0; top: 20px; }
  .card-tweet { width: 170px; }
  nav { padding: 1rem 1.5rem; }
  .nav-link { display: none; }
  .pricing-card { padding: 1.7rem 1.2rem; }
}

.video-container{
  width:100%;
  max-width:900px;
  margin:0 auto;
  border-radius:24px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,0.08);
  background:#0b0f19;
  box-shadow:0 20px 60px rgba(0,0,0,0.45);
}

.demo-video{
  width:100%;
  display:block;
  border-radius:24px;
}