:root {
  --bg: #0a0a0a;
  --bg2: #121212;
  --card: #161616;
  --text: #f4f4f0;
  --muted: #9a9a92;
  --accent: #c8f54a;
  --accent-ink: #10140a;
  --line: rgba(200, 245, 74, 0.22);
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  --radius: 16px;
  --font: "Century Gothic", "Trebuchet MS", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(800px 400px at 90% 0%, rgba(200, 245, 74, 0.1), transparent 55%),
    radial-gradient(600px 360px at 0% 40%, rgba(255, 255, 255, 0.04), transparent 50%),
    var(--bg);
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
.wrap { width: min(1080px, calc(100% - 32px)); margin: 0 auto; }

.demo-banner {
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.03em;
  padding: 8px 12px;
  background: #141414;
  color: #a8a89e;
  border-bottom: 1px solid var(--line);
}

.top {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 750;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 14px;
}
.logo-mark {
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 2px;
  box-shadow: 0 0 0 4px rgba(200, 245, 74, 0.15);
}
.nav { display: flex; gap: 18px; color: var(--muted); font-size: 14px; }
.nav a:hover { color: var(--text); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  border: 0;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 750;
  cursor: pointer;
  font: inherit;
  transition: transform 0.15s ease, filter 0.15s ease;
}
.btn:hover { transform: translateY(-1px); filter: brightness(1.05); }
.btn-sm { padding: 8px 14px; font-size: 13px; }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.16);
}

.hero {
  position: relative;
  padding: 56px 0 48px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(8,6,16,0.92) 0%, rgba(8,6,16,0.7) 50%, rgba(8,6,16,0.45) 100%),
    url("assets/smm-hero.jpg") center / cover no-repeat;
  z-index: 0;
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
  align-items: end;
}
@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1.2fr 0.8fr; gap: 40px; }
}
.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 700;
}
.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(36px, 6.5vw, 62px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  font-weight: 750;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
}
.lead {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: clamp(16px, 2.2vw, 18px);
  max-width: 32em;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.hero-meta li {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.03);
  color: var(--muted);
  font-size: 13px;
}

.feed {
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 22px;
  padding: 14px;
  box-shadow: var(--shadow);
  transform: rotate(1.5deg);
  animation: tiltIn 0.8s ease both;
}
.feed-visual {
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 12px;
  aspect-ratio: 1;
  background: #111;
}
.feed-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.feed-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.feed-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 10px;
  padding: 10px;
  border-radius: 14px;
  background: #0f0f0f;
  border: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 8px;
}
.feed-item:last-child { margin-bottom: 0; border-color: color-mix(in srgb, var(--accent) 40%, transparent); }
.dot {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: #222;
}
.dot.a { background: linear-gradient(135deg, #333, #111); }
.dot.b { background: linear-gradient(135deg, #2a2a2a, #151515); }
.dot.c { background: linear-gradient(135deg, rgba(200,245,74,0.35), #1a1a1a); }
.feed-item strong { display: block; font-size: 13px; margin-bottom: 2px; }
.feed-item span { color: var(--muted); font-size: 12px; }

.section { padding: 56px 0; }
.section.alt { background: color-mix(in srgb, var(--bg2) 88%, transparent); }
.section h2 {
  margin: 0 0 8px;
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.02em;
}
.section-lead {
  margin: 0 0 28px;
  color: var(--muted);
  max-width: 38em;
}

.problem {
  display: grid;
  gap: 12px;
}
@media (min-width: 800px) {
  .problem { grid-template-columns: 1fr 1fr; }
}
.problem article {
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.08);
  background: var(--card);
}
.problem h3 { margin: 0 0 8px; font-size: 18px; }
.problem p { margin: 0; color: var(--muted); font-size: 14px; }
.problem .win {
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
  background: linear-gradient(160deg, rgba(200,245,74,0.08), transparent 55%), var(--card);
}

.cards {
  display: grid;
  gap: 12px;
}
@media (min-width: 760px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
}
.card {
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
  transform: translateY(-2px);
}
.card-icon {
  width: 36px;
  height: 36px;
  color: var(--accent);
  margin-bottom: 12px;
}
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }

.steps {
  display: grid;
  gap: 10px;
  counter-reset: step;
}
@media (min-width: 800px) {
  .steps { grid-template-columns: repeat(4, 1fr); }
}
.step {
  position: relative;
  padding: 18px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.08);
}
.step::before {
  counter-increment: step;
  content: counter(step);
  display: inline-flex;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 750;
  font-size: 13px;
  margin-bottom: 10px;
}
.step h3 { margin: 0 0 6px; font-size: 16px; }
.step p { margin: 0; color: var(--muted); font-size: 14px; }

.cases {
  display: grid;
  gap: 12px;
}
@media (min-width: 800px) {
  .cases { grid-template-columns: repeat(3, 1fr); }
}
.case {
  min-height: 180px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.08);
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.55)), #1a1a1a;
}
.case.a { background: linear-gradient(180deg, transparent 20%, rgba(0,0,0,0.7)), linear-gradient(135deg, #2a2a2a, #111); }
.case.b { background: linear-gradient(180deg, transparent 20%, rgba(0,0,0,0.7)), linear-gradient(135deg, #243018, #10140a); }
.case.c { background: linear-gradient(180deg, transparent 20%, rgba(0,0,0,0.7)), linear-gradient(135deg, #222, #0d0d0d); }
.case span { color: var(--accent); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 700; }
.case strong { display: block; margin-top: 6px; font-size: 18px; }
.case p { margin: 6px 0 0; color: #c8c8c0; font-size: 13px; }

.faq details {
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 8px;
}
.faq summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq details p { margin: 10px 0 0; color: var(--muted); font-size: 14px; }

.form-box {
  display: grid;
  gap: 22px;
  padding: 26px;
  border-radius: 22px;
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  background: linear-gradient(160deg, rgba(200,245,74,0.07), transparent 50%), var(--card);
  box-shadow: var(--shadow);
}
@media (min-width: 860px) {
  .form-box { grid-template-columns: 0.95fr 1.05fr; }
}
.form { display: grid; gap: 12px; }
.form label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}
.form input,
.form select,
.form textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.1);
  background: #0f0f0f;
  color: var(--text);
  font: inherit;
}
.form textarea { min-height: 88px; resize: vertical; }
.consent {
  display: grid !important;
  grid-template-columns: 18px 1fr;
  gap: 10px;
  align-items: start;
}
.consent input { width: auto; margin-top: 3px; }
.consent a { color: var(--accent); text-decoration: underline; }
.form-note { margin: 0; font-size: 13px; color: var(--muted); }
.form-note.ok { color: var(--accent); font-weight: 700; }

.footer {
  padding: 28px 0 40px;
  border-top: 1px solid rgba(255,255,255,0.06);
  color: var(--muted);
  font-size: 13px;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
}
.footer a { color: var(--accent); }

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(0,0,0,0.7);
}
.modal[hidden] { display: none; }
.modal-card {
  width: min(420px, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
}
.modal-card h3 { margin: 0 0 8px; }
.modal-card p { margin: 0 0 16px; color: var(--muted); }

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.in { opacity: 1; transform: none; }

@keyframes tiltIn {
  from { opacity: 0; transform: rotate(4deg) translateY(16px); }
  to { opacity: 1; transform: rotate(1.5deg) translateY(0); }
}

@media (max-width: 720px) {
  .nav { display: none; }
  .feed { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .feed { opacity: 1; transform: none; animation: none; transition: none; }
}
