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

:root {
  --green:       #25d366;
  --green-dark:  #128c7e;
  --green-light: #7fffcf;
  --green-glow:  rgba(37, 211, 102, 0.18);
  --bg:          #0d1117;
  --bg-card:     rgba(22, 27, 34, 0.85);
  --bg-card2:    rgba(13, 74, 58, 0.15);
  --blue:        #388bfd;
  --text:        #e6edf3;
  --text-muted:  rgba(230, 237, 243, 0.55);
  --border:      rgba(37, 211, 102, 0.15);
  --radius:      16px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ── Animated Background ────────────────────────────────── */
.bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.25;
  animation: floatOrb 20s ease-in-out infinite;
}
.orb-1 { width: 600px; height: 600px; background: radial-gradient(circle, #25d366 0%, transparent 70%); top: -200px; left: -150px; animation-duration: 18s; }
.orb-2 { width: 500px; height: 500px; background: radial-gradient(circle, #128c7e 0%, transparent 70%); bottom: -150px; right: -100px; animation-duration: 22s; animation-delay: -8s; }
.orb-3 { width: 350px; height: 350px; background: radial-gradient(circle, #388bfd 0%, transparent 70%); top: 40%; left: 50%; animation-duration: 25s; animation-delay: -4s; opacity: 0.15; }

@keyframes floatOrb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(40px, -60px) scale(1.08); }
  66%       { transform: translate(-30px, 40px) scale(0.95); }
}

/* Stars */
.stars { position: absolute; inset: 0; }
.star {
  position: absolute;
  width: 2px; height: 2px;
  background: #fff;
  border-radius: 50%;
  animation: twinkle var(--d, 3s) ease-in-out infinite;
  opacity: 0;
}
@keyframes twinkle {
  0%, 100% { opacity: 0; transform: scale(0.8); }
  50%       { opacity: var(--op, 0.6); transform: scale(1.2); }
}

/* ── Scrollbar ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--green-dark); border-radius: 4px; }

/* ── Navigation ─────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(13, 17, 23, 0.75);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}
nav.scrolled {
  padding: 10px 40px;
  background: rgba(13, 17, 23, 0.95);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}
.nav-logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 0 12px var(--green-glow);
}
.nav-logo span { color: var(--green); }
.nav-logo-img { height: 38px; width: auto; display: block; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--green); }

.nav-cta {
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.85rem !important;
  box-shadow: 0 0 16px rgba(37, 211, 102, 0.35);
  transition: all 0.2s !important;
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 24px rgba(37, 211, 102, 0.55) !important;
  color: #fff !important;
}

/* ── Sections ───────────────────────────────────────────── */
section {
  position: relative;
  z-index: 1;
}

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 40px 80px;
  gap: 60px;
}

.hero-content { flex: 1; max-width: 600px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 0.8rem;
  color: var(--green);
  margin-bottom: 24px;
  animation: fadeUp 0.6s ease both;
}
.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--green);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.5;transform:scale(1.4)} }

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  animation: fadeUp 0.6s ease 0.1s both;
}
.hero h1 .accent { color: var(--green); }
.hero h1 .accent-blue { color: var(--blue); }

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: 36px;
  animation: fadeUp 0.6s ease 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeUp 0.6s ease 0.3s both;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: #fff;
  text-decoration: none;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 700;
  box-shadow: 0 0 30px rgba(37, 211, 102, 0.4);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 0 50px rgba(37,211,102,0.6); }
.btn-primary:hover::after { opacity: 1; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text);
  text-decoration: none;
  padding: 14px 28px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  border: 1px solid var(--border);
  transition: all 0.3s;
}
.btn-secondary:hover {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-glow);
}

/* Hero visual */
.hero-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeUp 0.8s ease 0.2s both;
}

.chat-mockup {
  width: 340px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 0 60px rgba(37, 211, 102, 0.12), 0 24px 80px rgba(0,0,0,0.5);
  backdrop-filter: blur(20px);
  position: relative;
}
.chat-mockup::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
}

.mock-header {
  padding: 14px 18px;
  background: linear-gradient(90deg, rgba(13,74,58,0.6), rgba(7,94,84,0.4));
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.mock-avatar {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 0 12px rgba(37,211,102,0.4);
  animation: avatarGlow 3s ease-in-out infinite;
}
@keyframes avatarGlow {
  0%,100%{box-shadow:0 0 12px rgba(37,211,102,0.4)}
  50%{box-shadow:0 0 22px rgba(37,211,102,0.7)}
}
.mock-header-info strong { font-size: 0.85rem; display: block; }
.mock-header-info small { font-size: 0.7rem; color: var(--green); }
.mock-status { width: 7px; height: 7px; background: var(--green); border-radius: 50%; animation: pulse 2s infinite; margin-top: 2px; }

.mock-msgs { padding: 16px; display: flex; flex-direction: column; gap: 10px; min-height: 200px; }

.mock-msg {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 0.78rem;
  line-height: 1.5;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.4s;
}
.mock-msg.visible { opacity: 1; transform: translateY(0); }
.mock-msg.bot {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}
.mock-msg.user {
  background: linear-gradient(135deg, rgba(37,211,102,0.2), rgba(18,140,126,0.2));
  border: 1px solid rgba(37,211,102,0.25);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.mock-typing {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 10px 14px;
  background: rgba(255,255,255,0.06);
  border-radius: 14px;
  border-bottom-left-radius: 4px;
  width: fit-content;
  margin-left: 0;
  opacity: 0;
  transition: opacity 0.3s;
}
.mock-typing.visible { opacity: 1; }
.mock-typing span { width: 6px; height: 6px; background: var(--text-muted); border-radius: 50%; animation: bounce 1.2s ease infinite; }
.mock-typing span:nth-child(2) { animation-delay: 0.2s; }
.mock-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes bounce { 0%,60%,100%{transform:translateY(0)} 30%{transform:translateY(-6px)} }

.mock-input {
  padding: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
}
.mock-input-field {
  flex: 1;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.75rem;
  color: var(--text-muted);
}
.mock-send {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  border: none;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}
.mock-send svg { width: 14px; height: 14px; fill: #fff; }

/* ── Section Common ──────────────────────────────────────── */
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-sub {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 56px;
}
.text-center { text-align: center; }

/* ── Features ───────────────────────────────────────────── */
.features {
  padding: 100px 40px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.feat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  backdrop-filter: blur(12px);
  transition: all 0.35s;
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(24px);
}
.feat-card.visible { opacity: 1; transform: translateY(0); }
.feat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  transform: scaleX(0);
  transition: transform 0.4s;
}
.feat-card:hover::before { transform: scaleX(1); }
.feat-card:hover {
  border-color: rgba(37, 211, 102, 0.35);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.3), 0 0 30px rgba(37,211,102,0.08);
}

.feat-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
  transition: transform 0.3s;
}
.feat-card:hover .feat-icon { transform: scale(1.1) rotate(5deg); }
.icon-green { background: rgba(37, 211, 102, 0.12); border: 1px solid rgba(37, 211, 102, 0.25); }
.icon-blue  { background: rgba(56, 139, 253, 0.12); border: 1px solid rgba(56, 139, 253, 0.25); }
.icon-teal  { background: rgba(18, 140, 126, 0.15); border: 1px solid rgba(18, 140, 126, 0.3); }
.icon-gold  { background: rgba(240, 165, 0, 0.12); border: 1px solid rgba(240, 165, 0, 0.25); }
.icon-purple{ background: rgba(107, 39, 177, 0.12); border: 1px solid rgba(107, 39, 177, 0.25); }
.icon-red   { background: rgba(248, 81, 73, 0.1); border: 1px solid rgba(248, 81, 73, 0.2); }

.feat-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.feat-card p  { font-size: 0.88rem; color: var(--text-muted); line-height: 1.65; }

/* ── How it Works ───────────────────────────────────────── */
.how-it-works {
  padding: 100px 40px;
  background: linear-gradient(180deg, transparent, rgba(13,74,58,0.06) 50%, transparent);
}
.steps {
  display: flex;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}
.steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(33.33% / 2);
  right: calc(33.33% / 2);
  height: 2px;
  background: linear-gradient(90deg, var(--green), var(--blue), var(--green));
  opacity: 0.3;
  z-index: 0;
}

.step {
  flex: 1;
  text-align: center;
  padding: 0 24px;
  position: relative;
  z-index: 1;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s;
}
.step.visible { opacity: 1; transform: translateY(0); }

.step-num {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  margin: 0 auto 20px;
  box-shadow: 0 0 24px rgba(37,211,102,0.35);
}
.step h3 { font-size: 1rem; font-weight: 700; margin-bottom: 10px; }
.step p  { font-size: 0.85rem; color: var(--text-muted); }

/* ── Stats ──────────────────────────────────────────────── */
.stats {
  padding: 80px 40px;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  backdrop-filter: blur(12px);
  transition: all 0.3s;
  opacity: 0;
  transform: scale(0.95);
}
.stat-card.visible { opacity: 1; transform: scale(1); }
.stat-card:hover { border-color: rgba(37,211,102,0.3); transform: scale(1.03); }
.stat-num {
  font-size: 2.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--green), var(--green-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label { font-size: 0.85rem; color: var(--text-muted); }

/* ── Integrations strip ─────────────────────────────────── */
.integrations {
  padding: 60px 40px;
  text-align: center;
}
.integrations-title { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 24px; text-transform: uppercase; letter-spacing: 2px; }
.integrations-strip {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.int-badge {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 8px 20px;
  font-size: 0.82rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.25s;
}
.int-badge:hover { border-color: var(--green); color: var(--green); background: var(--green-glow); }
.int-badge .dot { width: 8px; height: 8px; border-radius: 50%; }
.dot-green  { background: var(--green); box-shadow: 0 0 6px var(--green); }
.dot-blue   { background: var(--blue); box-shadow: 0 0 6px var(--blue); }
.dot-orange { background: #f0a500; box-shadow: 0 0 6px #f0a500; }
.dot-purple { background: #a78bfa; box-shadow: 0 0 6px #a78bfa; }

/* ── CTA Section ─────────────────────────────────────────── */
.cta-section {
  padding: 100px 40px;
  text-align: center;
}
.cta-card {
  max-width: 720px;
  margin: 0 auto;
  background: linear-gradient(135deg, rgba(13,74,58,0.4), rgba(7,94,84,0.25));
  border: 1px solid rgba(37,211,102,0.25);
  border-radius: 24px;
  padding: 64px 48px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(20px);
  opacity: 0;
  transform: translateY(24px);
  transition: all 0.6s;
}
.cta-card.visible { opacity: 1; transform: translateY(0); }
.cta-card::before {
  content: '';
  position: absolute;
  top: -2px; left: 10%; right: 10%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
}
.cta-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center top, rgba(37,211,102,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.cta-card h2 { font-size: 2rem; font-weight: 800; margin-bottom: 16px; }
.cta-card h2 span { color: var(--green); }
.cta-card p  { color: var(--text-muted); margin-bottom: 36px; font-size: 1rem; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── Footer ─────────────────────────────────────────────── */
footer {
  padding: 40px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  position: relative;
  z-index: 1;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 0.95rem;
}
.footer-brand span { color: var(--green); }
.footer-copy { font-size: 0.8rem; color: var(--text-muted); }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--text-muted); text-decoration: none; font-size: 0.82rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--green); }

/* ── Fade animations ─────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  nav { padding: 14px 20px; }
  nav.scrolled { padding: 8px 20px; }
  .nav-links { display: none; }
  .hero { flex-direction: column; padding: 100px 20px 60px; text-align: center; gap: 48px; }
  .hero-actions { justify-content: center; }
  .hero-sub { margin: 0 auto 36px; }
  .hero-visual { width: 100%; }
  .chat-mockup { width: 100%; max-width: 340px; }
  .features { padding: 60px 20px; }
  .how-it-works { padding: 60px 20px; }
  .steps { flex-direction: column; gap: 32px; }
  .steps::before { display: none; }
  .stats { padding: 60px 20px; }
  .cta-section { padding: 60px 20px; }
  .cta-card { padding: 40px 24px; }
  footer { flex-direction: column; text-align: center; padding: 32px 20px; }
}