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

:root {
  --c-bg:       #080b14;
  --c-bg2:      #0d1117;
  --c-card:     #141922;
  --c-border:   #1e2535;
  --c-accent:   #6c63ff;
  --c-accent2:  #a78bfa;
  --c-green:    #22c55e;
  --c-amber:    #f59e0b;
  --c-red:      #ef4444;
  --c-text:     #e2e8f0;
  --c-muted:    #7b8ba0;
  --c-white:    #ffffff;
  --r:          12px;
  --r-lg:       20px;
  --max:        1160px;
  --font:       'Inter', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.15rem; }
a  { color: var(--c-accent2); text-decoration: none; }

/* ── Sections shared ── */
section { padding: 96px 0; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-header h2 { color: var(--c-white); margin-bottom: 12px; }
.section-header p  { color: var(--c-muted); font-size: 1.05rem; max-width: 560px; margin: 0 auto; }

/* ── Nav ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(8,11,20,0.80);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--c-border);
  transition: background 0.3s;
}
nav.scrolled { background: rgba(8,11,20,0.96); }

.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; gap: 24px;
}

.nav-logo {
  font-weight: 900; font-size: 1.15rem; color: var(--c-white);
  letter-spacing: -0.02em;
}
.nav-logo span {
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.nav-logo:hover { color: var(--c-white); }

.nav-links {
  display: flex; align-items: center; gap: 28px; list-style: none;
}
.nav-links a {
  color: var(--c-muted); font-size: 0.88rem; font-weight: 500;
  transition: color 0.2s; position: relative; padding-bottom: 2px;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0;
  height: 1px; background: var(--c-accent2);
  transform: scaleX(0); transition: transform 0.2s;
}
.nav-links a:hover { color: var(--c-text); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-right { display: flex; align-items: center; gap: 14px; }

.lang-switcher {
  display: flex; gap: 2px; background: var(--c-card);
  border: 1px solid var(--c-border); border-radius: 8px; padding: 3px;
}
.lang-btn {
  border: none; background: transparent; color: var(--c-muted);
  font-size: 0.72rem; font-weight: 700; padding: 4px 8px;
  border-radius: 5px; cursor: pointer; transition: all 0.2s;
  text-transform: uppercase; font-family: var(--font); letter-spacing: 0.04em;
}
.lang-btn:hover { color: var(--c-text); }
.lang-btn.active { background: var(--c-accent); color: var(--c-white); }

.btn-nav {
  background: linear-gradient(135deg, var(--c-accent), #7c3aed);
  color: var(--c-white); padding: 8px 18px; border-radius: 8px;
  font-size: 0.83rem; font-weight: 700; transition: opacity 0.2s, transform 0.2s;
  white-space: nowrap; box-shadow: 0 2px 12px rgba(108,99,255,0.3);
}
.btn-nav:hover { opacity: 0.9; transform: translateY(-1px); color: var(--c-white); }

.burger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none; padding: 4px;
}
.burger span {
  display: block; width: 22px; height: 2px;
  background: var(--c-text); border-radius: 2px; transition: all 0.3s;
}

/* ── Hero ── */
.hero {
  padding: 148px 0 100px;
  background: radial-gradient(ellipse 100% 70% at 50% -5%, rgba(108,99,255,0.18), transparent 70%);
  position: relative; overflow: hidden;
}

.hero-particles {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden;
}
.hero-particles span {
  position: absolute; width: 2px; height: 2px; border-radius: 50%;
  background: var(--c-accent2); opacity: 0;
  animation: particle-float 8s infinite;
}
.hero-particles span:nth-child(1)  { left: 10%; animation-delay: 0s;   animation-duration: 9s; }
.hero-particles span:nth-child(2)  { left: 25%; animation-delay: 1.5s; animation-duration: 7s; }
.hero-particles span:nth-child(3)  { left: 40%; animation-delay: 3s;   animation-duration: 11s; }
.hero-particles span:nth-child(4)  { left: 55%; animation-delay: 0.5s; animation-duration: 8s; }
.hero-particles span:nth-child(5)  { left: 70%; animation-delay: 2s;   animation-duration: 10s; }
.hero-particles span:nth-child(6)  { left: 80%; animation-delay: 4s;   animation-duration: 7s; }
.hero-particles span:nth-child(7)  { left: 15%; animation-delay: 2.5s; animation-duration: 9s; }
.hero-particles span:nth-child(8)  { left: 60%; animation-delay: 1s;   animation-duration: 12s; }
.hero-particles span:nth-child(9)  { left: 35%; animation-delay: 3.5s; animation-duration: 8s; }
.hero-particles span:nth-child(10) { left: 90%; animation-delay: 5s;   animation-duration: 10s; }

@keyframes particle-float {
  0%   { transform: translateY(100vh); opacity: 0; }
  10%  { opacity: 0.6; }
  90%  { opacity: 0.3; }
  100% { transform: translateY(-20px); opacity: 0; }
}

.hero-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center; position: relative; z-index: 1;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(108,99,255,0.1); border: 1px solid rgba(108,99,255,0.3);
  border-radius: 100px; padding: 6px 14px;
  font-size: 0.76rem; font-weight: 600; color: var(--c-accent2);
  margin-bottom: 24px; letter-spacing: 0.04em;
}
.hero-badge::before { content: '●'; font-size: 0.45rem; color: var(--c-green); }

.hero-content h1 { margin-bottom: 20px; color: var(--c-white); }

.hero-sub {
  font-size: 1.05rem; color: var(--c-muted); margin-bottom: 36px; max-width: 500px;
  line-height: 1.7;
}

.hero-actions { display: flex; flex-direction: column; gap: 10px; margin-bottom: 0; }

.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--c-accent), #7c3aed);
  color: var(--c-white); font-weight: 800; font-size: 1.05rem;
  padding: 16px 32px; border-radius: var(--r); text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 28px rgba(108,99,255,0.4);
  letter-spacing: -0.01em;
}
.btn-primary:hover {
  transform: translateY(-2px); box-shadow: 0 8px 36px rgba(108,99,255,0.5);
  color: var(--c-white);
}

.hero-sub-cta { font-size: 0.78rem; color: var(--c-muted); }

.hero-stats {
  display: flex; margin-top: 40px;
  background: var(--c-card); border: 1px solid var(--c-border);
  border-radius: var(--r); overflow: hidden;
}
.stat { flex: 1; padding: 20px; text-align: center; border-right: 1px solid var(--c-border); }
.stat:last-child { border-right: none; }
.stat-val   { font-size: 1.7rem; font-weight: 900; color: var(--c-white); }
.stat-label { font-size: 0.72rem; color: var(--c-muted); margin-top: 2px; }

/* Dashboard Visual */
.hero-visual {
  position: relative; display: flex;
  align-items: center; justify-content: center;
}

.hero-glow {
  position: absolute; inset: -60px;
  background: radial-gradient(circle, rgba(108,99,255,0.14) 0%, transparent 65%);
  pointer-events: none;
}

.dashboard-card {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 24px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.04);
  position: relative;
}

.dashboard-header {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.7rem; font-weight: 800; color: var(--c-accent2);
  letter-spacing: 0.1em; margin-bottom: 20px;
}

.pulse-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 0 0 rgba(34,197,94,0.4);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(34,197,94,0.4); }
  70%  { box-shadow: 0 0 0 8px rgba(34,197,94,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}

.dashboard-stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 20px;
}
.dash-stat {
  background: var(--c-bg2); border: 1px solid var(--c-border);
  border-radius: var(--r); padding: 14px; text-align: center;
}
.dash-val { font-size: 1.5rem; font-weight: 900; }
.dash-val.green  { color: var(--c-green); }
.dash-val.white  { color: var(--c-white); }
.dash-val.purple { color: var(--c-accent2); }
.dash-val.amber  { color: var(--c-amber); }
.dash-label { font-size: 0.68rem; color: var(--c-muted); margin-top: 2px; }

.dashboard-feed {
  border-top: 1px solid var(--c-border); padding-top: 16px;
}
.feed-title {
  font-size: 0.68rem; font-weight: 700; color: var(--c-muted);
  text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 10px;
}
.feed-list {
  list-style: none; display: flex; flex-direction: column; gap: 8px;
  max-height: 100px; overflow: hidden;
}
.feed-list li {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.8rem; color: var(--c-muted);
}
.feed-dot {
  width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0;
}
.feed-dot.green  { background: var(--c-green); }
.feed-dot.purple { background: var(--c-accent); }

.float-badge {
  position: absolute;
  background: var(--c-card); border: 1px solid var(--c-border);
  border-radius: 100px; padding: 6px 14px;
  font-size: 0.72rem; font-weight: 600; color: var(--c-text);
  white-space: nowrap;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  animation: float-badge 3s ease-in-out infinite;
}
.float-badge--top    { top: -16px; right: -16px; animation-delay: 0s; }
.float-badge--bottom { bottom: -16px; left: -16px; animation-delay: 1.5s; }

@keyframes float-badge {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}

/* ── Problem ── */
.problem { background: var(--c-bg2); }

.problem-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }

.problem-card {
  background: var(--c-card); border: 1px solid var(--c-border);
  border-radius: var(--r-lg); padding: 28px; position: relative; overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.problem-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, #ef4444, #f97316);
}
.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(239,68,68,0.12);
}
.problem-icon { font-size: 1.8rem; margin-bottom: 16px; }
.problem-card h3 { color: var(--c-white); margin-bottom: 8px; }
.problem-card p  { color: var(--c-muted); font-size: 0.88rem; }

/* ── How it works ── */
.how-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; position: relative;
}
.how-grid::before {
  content: ''; position: absolute; top: 40px;
  left: calc(33.3% + 16px); right: calc(33.3% + 16px);
  height: 1px; background: linear-gradient(90deg, var(--c-accent), var(--c-accent2));
  pointer-events: none; opacity: 0.4;
}
.how-step {
  background: var(--c-card); border: 1px solid var(--c-border);
  border-radius: var(--r-lg); padding: 32px 28px; text-align: center;
}
.how-num {
  display: inline-block; font-size: 2.2rem; font-weight: 900;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
}
.how-step h3 { color: var(--c-white); margin-bottom: 10px; }
.how-step p  { color: var(--c-muted); font-size: 0.88rem; }

/* ── Features ── */
.features { background: var(--c-bg2); }

.features-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }

.feature-card {
  background: var(--c-card); border: 1px solid var(--c-border);
  border-radius: var(--r-lg); padding: 28px;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.2s;
}
.feature-card:hover {
  border-color: var(--c-accent);
  box-shadow: 0 0 24px rgba(108,99,255,0.1);
  transform: translateY(-3px);
}
.feature-icon {
  width: 46px; height: 46px; border-radius: 12px;
  background: rgba(108,99,255,0.12); border: 1px solid rgba(108,99,255,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; margin-bottom: 16px;
}
.feature-card h3 { color: var(--c-white); margin-bottom: 8px; }
.feature-card p  { color: var(--c-muted); font-size: 0.88rem; }

/* ── Audio Demo ── */
.audio-demo { background: var(--c-bg2); }

.audio-player-wrap {
  display: flex; align-items: center; gap: 24px;
  background: var(--c-card); border: 1px solid var(--c-border);
  border-radius: var(--r-lg); padding: 24px 32px;
  max-width: 640px; margin: 0 auto 48px;
}

.audio-play-btn {
  width: 56px; height: 56px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--c-accent), #7c3aed);
  border: none; cursor: pointer; color: #fff;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(108,99,255,0.4);
}
.audio-play-btn:hover { transform: scale(1.08); box-shadow: 0 6px 28px rgba(108,99,255,0.5); }
.audio-play-btn svg { width: 22px; height: 22px; }

.audio-info { flex: 1; }
.audio-label { font-size: 0.8rem; font-weight: 600; color: var(--c-text); margin-bottom: 8px; }

.audio-waveform {
  display: flex; align-items: center; gap: 3px; height: 32px;
}
.audio-waveform span {
  display: block; width: 4px; border-radius: 2px;
  background: var(--c-accent);
  height: 6px; opacity: 0.4;
  transition: height 0.15s;
}
.audio-waveform.playing span {
  opacity: 1;
  animation: wave 1.2s ease-in-out infinite;
}
.audio-waveform span:nth-child(1)  { animation-delay: 0s; }
.audio-waveform span:nth-child(2)  { animation-delay: 0.1s; }
.audio-waveform span:nth-child(3)  { animation-delay: 0.2s; }
.audio-waveform span:nth-child(4)  { animation-delay: 0.3s; }
.audio-waveform span:nth-child(5)  { animation-delay: 0.4s; }
.audio-waveform span:nth-child(6)  { animation-delay: 0.3s; }
.audio-waveform span:nth-child(7)  { animation-delay: 0.2s; }
.audio-waveform span:nth-child(8)  { animation-delay: 0.1s; }
.audio-waveform span:nth-child(9)  { animation-delay: 0s; }
.audio-waveform span:nth-child(10) { animation-delay: 0.15s; }
.audio-waveform span:nth-child(11) { animation-delay: 0.25s; }
.audio-waveform span:nth-child(12) { animation-delay: 0.35s; }
.audio-waveform span:nth-child(13) { animation-delay: 0.2s; }
.audio-waveform span:nth-child(14) { animation-delay: 0.1s; }
.audio-waveform span:nth-child(15) { animation-delay: 0s; }

@keyframes wave {
  0%, 100% { height: 6px; }
  50%       { height: 24px; }
}

.audio-time { font-size: 0.78rem; color: var(--c-muted); margin-top: 6px; }

.audio-transcript {
  max-width: 540px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 10px;
}
.chat-bubble {
  border-radius: 16px; padding: 12px 16px;
  font-size: 0.88rem; line-height: 1.5; max-width: 88%;
}
.chat-bubble.ai {
  background: rgba(108,99,255,0.12); border: 1px solid rgba(108,99,255,0.2);
  color: var(--c-text); border-bottom-left-radius: 4px;
}
.chat-bubble.user {
  background: var(--c-card); border: 1px solid var(--c-border);
  color: var(--c-muted); align-self: flex-end; border-bottom-right-radius: 4px;
  margin-left: auto;
}

/* ── Comparison Table ── */
.comparison { background: var(--c-bg); }

.comparison-table-wrap {
  overflow-x: auto; border-radius: var(--r-lg);
  border: 1px solid var(--c-border);
}

.comparison-table {
  width: 100%; border-collapse: collapse;
  font-size: 0.9rem;
}

.comparison-table thead tr {
  background: var(--c-card);
  border-bottom: 1px solid var(--c-border);
}

.comparison-table th {
  padding: 20px 24px; text-align: center;
  font-weight: 700; color: var(--c-muted);
  vertical-align: bottom;
}

.comparison-table th.col-hvac {
  background: rgba(108,99,255,0.08);
  border-left: 1px solid rgba(108,99,255,0.3);
  border-right: 1px solid rgba(108,99,255,0.3);
  color: var(--c-white);
}

.col-badge {
  display: inline-block; background: var(--c-accent);
  color: #fff; font-size: 0.65rem; font-weight: 700;
  padding: 2px 10px; border-radius: 100px;
  letter-spacing: 0.06em; text-transform: uppercase;
  margin-bottom: 8px;
}

.col-price {
  font-size: 0.78rem; font-weight: 600;
  color: var(--c-green); margin-top: 4px;
}
.col-price.red { color: var(--c-red); }

.comparison-table td {
  padding: 16px 24px; border-bottom: 1px solid var(--c-border);
  color: var(--c-muted); text-align: center;
}
.comparison-table th:first-child,
.comparison-table td:first-child {
  text-align: left;
}
.comparison-table th:first-child { color: var(--c-muted); font-weight: 400; }
.comparison-table td:first-child { font-weight: 600; color: var(--c-text); }
.comparison-table td.col-hvac {
  background: rgba(108,99,255,0.05);
  border-left: 1px solid rgba(108,99,255,0.2);
  border-right: 1px solid rgba(108,99,255,0.2);
  color: var(--c-text);
}
.comparison-table tbody tr:last-child td,
.comparison-table tbody tr:last-child th { border-bottom: none; }

.check  { color: var(--c-green); font-weight: 700; }
.cross  { color: var(--c-red);   font-weight: 700; }
.red-text { color: var(--c-red); font-weight: 600; }

/* ── Testimonials ── */
.testimonials { background: var(--c-bg2); }

.testimonials-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }

.testimonial-card {
  background: var(--c-card); border: 1px solid var(--c-border);
  border-radius: var(--r-lg); padding: 28px;
  transition: transform 0.2s, border-color 0.2s;
}
.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: rgba(108,99,255,0.4);
}

.stars { color: var(--c-amber); font-size: 0.9rem; letter-spacing: 2px; margin-bottom: 16px; }

.testimonial-quote {
  font-size: 0.9rem; color: var(--c-text); line-height: 1.7;
  font-style: italic; margin-bottom: 20px;
}
.testimonial-quote::before { content: '\201C'; color: var(--c-accent2); }
.testimonial-quote::after  { content: '\201D'; color: var(--c-accent2); }

.testimonial-author { display: flex; align-items: center; gap: 12px; }

.testimonial-avatar {
  width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent2));
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 800; color: #fff;
}

.testimonial-name    { font-size: 0.88rem; font-weight: 700; color: var(--c-white); }
.testimonial-company { font-size: 0.78rem; color: var(--c-muted); }

/* ── Includes ── */
.includes-list {
  display: grid; grid-template-columns: repeat(2,1fr); gap: 14px;
  max-width: 680px; margin: 0 auto;
}
.inc-item {
  display: flex; align-items: center; gap: 14px;
  background: var(--c-card); border: 1px solid var(--c-border);
  border-radius: var(--r); padding: 16px 20px;
  transition: border-color 0.2s;
}
.inc-item:hover { border-color: rgba(108,99,255,0.4); }
.inc-check {
  width: 24px; height: 24px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent2));
  display: flex; align-items: center; justify-content: center;
  font-size: 0.65rem; font-weight: 800; color: #fff;
}
.inc-item span { font-size: 0.88rem; color: var(--c-text); }

/* ── ROI Calculator ── */
.roi-calc { background: var(--c-bg); }

.roi-wrap {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 48px; align-items: center; max-width: 840px; margin: 0 auto;
}

.roi-inputs { display: flex; flex-direction: column; gap: 32px; }

.roi-field label {
  display: block; font-size: 0.88rem; font-weight: 600;
  color: var(--c-text); margin-bottom: 12px;
}

.roi-slider-row { display: flex; align-items: center; gap: 16px; }

.roi-slider {
  flex: 1; -webkit-appearance: none; height: 4px;
  background: var(--c-border); border-radius: 2px; outline: none; cursor: pointer;
}
.roi-slider::-webkit-slider-thumb {
  -webkit-appearance: none; width: 20px; height: 20px;
  border-radius: 50%; background: var(--c-accent);
  cursor: pointer; box-shadow: 0 0 0 3px rgba(108,99,255,0.25);
  transition: box-shadow 0.2s;
}
.roi-slider::-webkit-slider-thumb:hover {
  box-shadow: 0 0 0 6px rgba(108,99,255,0.2);
}
.roi-val {
  min-width: 52px; text-align: right;
  font-size: 1rem; font-weight: 800; color: var(--c-white);
}

.roi-result {
  background: var(--c-card); border: 1px solid var(--c-border);
  border-radius: var(--r-lg); padding: 36px; text-align: center;
}
.roi-loss {
  background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.2);
  border-radius: var(--r); padding: 24px; margin-bottom: 20px;
}
.roi-loss-label  { font-size: 0.78rem; color: var(--c-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.roi-loss-amount {
  font-size: 2.8rem; font-weight: 900; color: var(--c-red);
  line-height: 1.1; margin: 8px 0 4px;
}
.roi-loss-period { font-size: 0.8rem; color: var(--c-muted); }
.roi-solution {
  font-size: 0.88rem; color: var(--c-muted); margin-bottom: 20px;
}
.roi-solution strong { color: var(--c-green); font-weight: 800; }

/* ── Pricing ── */
.pricing { background: var(--c-bg2); }

.pricing-wrap {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
  max-width: 860px; margin: 0 auto;
}
.pricing-card {
  background: var(--c-card); border: 2px solid var(--c-accent);
  border-radius: var(--r-lg); padding: 40px 36px; position: relative;
  box-shadow: 0 0 60px rgba(108,99,255,0.15);
}
.pricing-badge-tag {
  position: absolute; top: -13px; left: 28px;
  background: var(--c-accent); color: #fff;
  font-size: 0.72rem; font-weight: 800; padding: 4px 14px;
  border-radius: 100px; text-transform: uppercase; letter-spacing: 0.08em;
}
.pricing-price-big {
  font-size: 3.8rem; font-weight: 900; color: var(--c-white);
  line-height: 1; margin: 20px 0 4px;
}
.pricing-sub-text { color: var(--c-muted); font-size: 0.85rem; margin-bottom: 28px; }
.btn-buy {
  display: block; text-align: center;
  background: linear-gradient(135deg, var(--c-accent), #7c3aed);
  color: #fff; font-weight: 800; font-size: 1.05rem;
  padding: 15px 24px; border-radius: var(--r);
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 24px rgba(108,99,255,0.35);
}
.btn-buy:hover { transform: translateY(-2px); color: #fff; box-shadow: 0 8px 32px rgba(108,99,255,0.45); }
.pricing-note { font-size: 0.75rem; color: var(--c-muted); text-align: center; margin-top: 12px; }

.trust-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; justify-content: center; }
.trust-badge {
  font-size: 0.72rem; font-weight: 600; color: var(--c-muted);
  background: var(--c-bg2); border: 1px solid var(--c-border);
  border-radius: 100px; padding: 4px 12px;
}

.recurring-card {
  background: var(--c-card); border: 1px solid var(--c-border);
  border-radius: var(--r-lg); padding: 32px; align-self: start;
}
.recurring-card h4 { color: var(--c-white); font-size: 1rem; margin-bottom: 8px; }
.recurring-note { font-size: 0.82rem; color: var(--c-muted); margin-bottom: 20px; }
.recurring-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.recurring-list li {
  font-size: 0.82rem; color: var(--c-muted);
  padding-left: 16px; position: relative;
}
.recurring-list li::before { content: '·'; position: absolute; left: 0; color: var(--c-accent2); }
.recurring-total {
  margin-top: 20px; padding-top: 16px;
  border-top: 1px solid var(--c-border);
  font-size: 0.9rem; font-weight: 700; color: var(--c-white);
}

/* ── FAQ ── */
.faq-list { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.faq-item {
  background: var(--c-card); border: 1px solid var(--c-border);
  border-radius: var(--r); overflow: hidden; transition: border-color 0.2s;
}
.faq-item.open { border-color: rgba(108,99,255,0.4); }
.faq-q {
  width: 100%; background: none; border: none; color: var(--c-text);
  font-family: var(--font); font-size: 0.95rem; font-weight: 600;
  padding: 20px 24px; text-align: left; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-q::after {
  content: '+'; font-size: 1.3rem; font-weight: 300; color: var(--c-accent2);
  flex-shrink: 0; transition: transform 0.3s;
}
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  font-size: 0.88rem; color: var(--c-muted); line-height: 1.7;
  padding: 0 24px;
}
.faq-item.open .faq-a {
  max-height: 300px; padding: 16px 24px 20px;
  border-top: 1px solid var(--c-border);
}

/* ── Contact ── */
#contact { background: var(--c-bg2); }
.contact-layout {
  display: grid; grid-template-columns: 280px 1fr;
  gap: 48px; align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-card {
  background: var(--c-card); border: 1px solid var(--c-border);
  border-radius: var(--r); padding: 24px;
  display: flex; flex-direction: column; gap: 6px;
  transition: border-color 0.2s;
}
.contact-card:hover { border-color: var(--c-accent); }
.contact-icon  { font-size: 1.6rem; }
.contact-label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--c-muted); }
.contact-value { font-size: 0.95rem; color: var(--c-text); font-weight: 500; }
a.contact-value { color: var(--c-accent2); }
a.contact-value:hover { text-decoration: underline; }

.contact-form {
  background: var(--c-card); border: 1px solid var(--c-border);
  border-radius: var(--r-lg); padding: 36px;
  display: flex; flex-direction: column; gap: 20px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label {
  font-size: 0.85rem; font-weight: 600; color: var(--c-text); letter-spacing: 0.02em;
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--c-bg2); border: 1px solid var(--c-border);
  border-radius: var(--r); padding: 12px 16px;
  color: var(--c-text); font-family: var(--font); font-size: 0.95rem;
  outline: none; transition: border-color 0.2s, box-shadow 0.2s; width: 100%;
}
.form-group select {
  appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237b8ba0' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(108,99,255,0.15);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--c-muted); }
.form-group textarea { resize: vertical; min-height: 120px; }

.btn-submit {
  background: linear-gradient(135deg, var(--c-accent), #7c3aed);
  color: #fff; border: none; border-radius: var(--r);
  padding: 14px 28px; font-family: var(--font);
  font-size: 1rem; font-weight: 700; cursor: pointer;
  transition: opacity 0.2s, transform 0.15s; align-self: flex-start;
}
.btn-submit:hover:not(:disabled) { opacity: 0.88; transform: translateY(-1px); }
.btn-submit:disabled { opacity: 0.5; cursor: not-allowed; }

.form-feedback { font-size: 0.9rem; border-radius: var(--r); padding: 12px 16px; display: none; }
.form-feedback.visible { display: block; }
.form-feedback.success { background: rgba(34,197,94,0.1);  color: #4ade80; border: 1px solid rgba(34,197,94,0.25); }
.form-feedback.error   { background: rgba(239,68,68,0.1);  color: #f87171; border: 1px solid rgba(239,68,68,0.25); }
.form-feedback a       { color: #f87171; text-decoration: underline; }

/* ── Footer ── */
footer {
  background: var(--c-bg2); border-top: 1px solid var(--c-border); padding: 40px 0;
}
.footer-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.footer-logo { font-weight: 900; font-size: 1rem; color: var(--c-white); }
.footer-logo span {
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.footer-tagline { font-size: 0.8rem; color: var(--c-muted); }
.footer-rights  { font-size: 0.75rem; color: var(--c-muted); }
.footer-legal   { display: flex; gap: 20px; }
.footer-legal a { font-size: 0.75rem; color: var(--c-muted); text-decoration: none; transition: color .2s; }
.footer-legal a:hover { color: var(--c-white); }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .hero-inner          { grid-template-columns: 1fr 1fr; gap: 40px; }
  .dashboard-card      { max-width: 300px; }
  .testimonials-grid   { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .hero-inner          { grid-template-columns: 1fr; }
  .hero-visual         { display: none; }
  .problem-grid        { grid-template-columns: 1fr; }
  .how-grid            { grid-template-columns: 1fr; }
  .how-grid::before    { display: none; }
  .features-grid       { grid-template-columns: 1fr 1fr; }
  .testimonials-grid   { grid-template-columns: 1fr; }
  .includes-list       { grid-template-columns: 1fr; }
  .pricing-wrap        { grid-template-columns: 1fr; }
  .roi-wrap            { grid-template-columns: 1fr; }
  .contact-layout      { grid-template-columns: 1fr; }
  .form-row            { grid-template-columns: 1fr; }
  .audio-player-wrap   { flex-direction: column; text-align: center; }
}

@media (max-width: 600px) {
  /* Nav */
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 64px; left: 0; right: 0;
    background: var(--c-bg); border-bottom: 1px solid var(--c-border);
    padding: 16px 24px; gap: 16px;
  }
  .burger        { display: flex; }
  .lang-switcher { display: none; }
  .btn-nav       { font-size: 0.78rem; padding: 7px 14px; }

  /* Global spacing */
  section               { padding: 60px 0; }
  .section-header       { margin-bottom: 36px; }
  .container            { padding: 0 16px; }

  /* Hero */
  .hero                 { padding: 110px 0 64px; }
  .hero-sub             { font-size: 0.95rem; margin-bottom: 28px; }
  .hero-stats           { flex-direction: column; margin-top: 28px; }
  .stat                 { border-right: none; border-bottom: 1px solid var(--c-border); padding: 14px 16px; }
  .stat:last-child      { border-bottom: none; }
  .stat-number          { font-size: 1.3rem; }

  /* Problem */
  .problem-card         { padding: 24px 20px; }

  /* Audio */
  .audio-player         { padding: 24px 20px; }
  .transcript           { padding: 20px 16px; }

  /* Features */
  .features-grid        { grid-template-columns: 1fr; }
  .feature-card         { padding: 22px 18px; }

  /* Comparison table — horizontal scroll */
  .comparison-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 8px; }
  .comparison-table      { min-width: 520px; }
  .comparison-table th,
  .comparison-table td  { padding: 12px 10px; font-size: 0.78rem; }
  .comparison-table th:first-child,
  .comparison-table td:first-child { min-width: 110px; }

  /* Testimonials */
  .testimonial-card     { padding: 24px 20px; }

  /* Includes */
  .includes-list        { grid-template-columns: 1fr; gap: 10px; }

  /* ROI */
  .roi-box              { padding: 28px 20px; }
  .roi-loss-amount      { font-size: 2rem; }

  /* Pricing */
  .pricing-card         { padding: 32px 20px; }
  .pricing-features     { padding-left: 0; }

  /* FAQ */
  .faq-question         { padding: 16px 18px; font-size: 0.92rem; }
  .faq-answer p         { padding: 0 18px 18px; font-size: 0.9rem; }

  /* Contact */
  .contact-form input,
  .contact-form textarea { padding: 12px 14px; }

  /* Footer */
  .footer-inner         { flex-direction: column; text-align: center; gap: 8px; }
  .footer-links         { flex-wrap: wrap; justify-content: center; gap: 12px; }

  /* Misc */
  .float-badge          { display: none; }
  .section-label        { font-size: 0.7rem; }
}
