:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #16161f;
  --bg-card-highlight: #1a1a2e;
  --text-primary: #f0f0f5;
  --text-secondary: #9898a6;
  --text-muted: #6b6b7b;
  --accent: #4f8cff;
  --accent-glow: rgba(79, 140, 255, 0.15);
  --accent-secondary: #7b61ff;
  --border: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(79, 140, 255, 0.2);
  --radius: 16px;
  --radius-sm: 10px;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-inner {
  max-width: 820px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 40px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}

.hero h1 .accent {
  color: var(--accent);
}

.lede {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 220px;
  line-height: 1.5;
}

.hero-gradient {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(79, 140, 255, 0.08) 0%, rgba(123, 97, 255, 0.04) 40%, transparent 70%);
  border-radius: 50%;
  z-index: 1;
  pointer-events: none;
}

/* === SECTION LABEL === */
.section-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

/* === PROBLEM === */
.problem {
  padding: 100px 24px;
  background: var(--bg-secondary);
}

.problem-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  max-width: 700px;
  margin-bottom: 56px;
}

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

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: border-color 0.3s;
}

.problem-card:hover {
  border-color: var(--border-accent);
}

.problem-icon {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 20px;
  opacity: 0.6;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.problem-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* === SERVICES === */
.services {
  padding: 100px 24px;
}

.services-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.services h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: border-color 0.3s, transform 0.3s;
}

.service-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.service-card.card-highlight {
  background: var(--bg-card-highlight);
  border-color: var(--border-accent);
  grid-row: span 1;
}

.service-tag {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-secondary);
  margin-bottom: 16px;
}

.card-highlight .service-tag {
  color: var(--accent);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 14px;
}

.service-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* === HOW === */
.how {
  padding: 100px 24px;
  background: var(--bg-secondary);
}

.how-inner {
  max-width: 800px;
  margin: 0 auto;
}

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 64px;
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.timeline-step {
  display: flex;
  gap: 32px;
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
}

.timeline-step:last-child {
  border-bottom: none;
}

.step-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.3;
  min-width: 60px;
  line-height: 1;
  padding-top: 4px;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.step-content p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* === NUMBERS === */
.numbers {
  padding: 100px 24px;
}

.numbers-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.numbers h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.number-card {
  text-align: center;
  padding: 40px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.number-value {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 14px;
}

.number-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* === CLOSING === */
.closing {
  padding: 120px 24px;
  background: var(--bg-secondary);
  text-align: center;
  position: relative;
}

.closing-inner {
  max-width: 680px;
  margin: 0 auto;
  position: relative;
}

.closing-accent {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
  margin: 0 auto 40px;
  border-radius: 2px;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.closing p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.closing-tagline {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-primary) !important;
  font-size: 1.15rem !important;
  margin-top: 32px !important;
}

/* === NAV === */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 24px;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-cta {
  font-family: var(--font-display);
  background: var(--accent);
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 0.85rem !important;
  transition: opacity 0.2s !important;
}

.nav-cta:hover {
  opacity: 0.88;
}

/* === HERO BUTTONS === */
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.btn-primary {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  padding: 14px 32px;
  background: var(--accent);
  color: #fff;
  border-radius: 100px;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.2s;
}

.btn-primary:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  padding: 14px 32px;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s;
}

.btn-secondary:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
}

/* === DEMO === */
.demo {
  padding: 100px 24px;
  background: var(--bg-secondary);
}

.demo-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.demo h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.demo-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin-bottom: 56px;
  line-height: 1.7;
}

.demo-container {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 56px;
  align-items: start;
}

/* Phone frame */
.phone-frame {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.4);
}

.phone-header {
  background: #128C7E;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.phone-contact {
  display: flex;
  align-items: center;
  gap: 12px;
}

.phone-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
}

.phone-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: #fff;
}

.phone-status {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.7);
}

.chat-window {
  min-height: 320px;
  max-height: 400px;
  overflow-y: auto;
  padding: 16px;
  background: #0d1117;
  display: flex;
  flex-direction: column;
  gap: 8px;
  scroll-behavior: smooth;
}

.chat-message {
  display: flex;
  flex-direction: column;
  max-width: 85%;
}

.bot-message {
  align-self: flex-start;
  align-items: flex-start;
}

.user-message {
  align-self: flex-end;
  align-items: flex-end;
}

.message-bubble {
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.88rem;
  line-height: 1.5;
  word-break: break-word;
}

.bot-message .message-bubble {
  background: var(--bg-card);
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
}

.user-message .message-bubble {
  background: #005C4B;
  color: #fff;
  border-bottom-right-radius: 4px;
}

.message-time {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 4px;
  padding: 0 4px;
}

.suggested-replies {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px 0 4px;
}

.suggested-btn {
  background: var(--bg-card-highlight);
  border: 1px solid var(--border-accent);
  color: var(--accent);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 0.78rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}

.suggested-btn:hover {
  background: var(--accent-glow);
}

.chat-input-area {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
}

.chat-input {
  flex: 1;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 10px 16px;
  color: var(--text-primary);
  font-size: 0.88rem;
  font-family: var(--font-body);
  outline: none;
}

.chat-input:focus {
  border-color: var(--border-accent);
}

.chat-input::placeholder {
  color: var(--text-muted);
}

.chat-send-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #25D366;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: opacity 0.2s;
  flex-shrink: 0;
}

.chat-send-btn:hover {
  opacity: 0.85;
}

.chat-send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Typing indicator */
.typing-dots {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 12px 14px !important;
}

.typing-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: typingPulse 1.4s ease-in-out infinite;
}

.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingPulse {
  0%, 60%, 100% { opacity: 0.3; transform: scale(0.9); }
  30% { opacity: 1; transform: scale(1.1); }
}

/* Demo info sidebar */
.demo-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.demo-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  transition: border-color 0.3s;
}

.demo-info-card:hover {
  border-color: var(--border-accent);
}

.demo-info-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.demo-info-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.demo-info-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.demo-cta {
  background: var(--bg-card-highlight);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
}

.demo-cta p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.btn-demo-cta {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 12px 28px;
  border-radius: 100px;
  text-decoration: none;
  transition: opacity 0.2s;
}

.btn-demo-cta:hover {
  opacity: 0.85;
}

/* === PRICING === */
.pricing {
  padding: 100px 24px;
}

.pricing-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.pricing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.pricing-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 56px;
}

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

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  position: relative;
  transition: border-color 0.3s, transform 0.3s;
}

.pricing-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

.pricing-card.card-featured {
  background: var(--bg-card-highlight);
  border-color: var(--accent);
  transform: scale(1.03);
}

.pricing-card.card-featured:hover {
  transform: scale(1.03) translateY(-4px);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 4px 16px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-tier {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-secondary);
  margin-bottom: 20px;
}

.card-featured .pricing-tier {
  color: var(--accent);
}

.pricing-price {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  margin-bottom: 12px;
}

.price-amount {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.price-currency {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding-bottom: 4px;
}

.price-period {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding-bottom: 6px;
}

.pricing-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.6;
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pricing-features li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.5;
}

.check {
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

.btn-pricing {
  display: block;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 13px 24px;
  border-radius: 100px;
  background: transparent;
  border: 1px solid var(--border-accent);
  color: var(--text-primary);
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s;
}

.btn-pricing:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
}

.btn-pricing-featured {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn-pricing-featured:hover {
  opacity: 0.88;
  background: var(--accent);
}

.pricing-note {
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 40px;
}

/* === CONTACT === */
.contact {
  padding: 100px 24px;
  background: var(--bg-secondary);
}

.contact-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.contact h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.contact-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 56px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 56px;
  align-items: start;
}

.contact-form {
  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: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.92rem;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--border-accent);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='%236b6b7b'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
}

.form-group select option {
  background: var(--bg-card);
}

.form-group textarea {
  resize: vertical;
  min-height: 110px;
}

.form-status {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
}

.form-success {
  background: rgba(37, 211, 102, 0.1);
  border: 1px solid rgba(37, 211, 102, 0.3);
  color: #25D366;
}

.form-error {
  background: rgba(255, 80, 80, 0.1);
  border: 1px solid rgba(255, 80, 80, 0.3);
  color: #ff6b6b;
}

.btn-submit {
  display: inline-block;
  align-self: flex-start;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 36px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn-submit:hover {
  opacity: 0.85;
}

.btn-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Contact aside */
.contact-aside {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info-block {
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.contact-info-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.contact-info-value {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

.contact-wa-cta {
  padding: 24px;
  background: var(--bg-card-highlight);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius);
  text-align: center;
}

.contact-wa-cta p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #25D366;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.88rem;
  padding: 11px 22px;
  border-radius: 100px;
  text-decoration: none;
  transition: opacity 0.2s;
}

.btn-whatsapp:hover {
  opacity: 0.85;
}

/* === FOOTER === */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.footer-nav {
  display: flex;
  gap: 24px;
}

.footer-nav a {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: var(--text-primary);
}

.footer-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .demo-container {
    grid-template-columns: 1fr;
  }

  .phone-frame {
    max-width: 420px;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
  }

  .pricing-card.card-featured {
    transform: none;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .contact-aside {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-wa-cta {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: 100px 20px 60px;
  }

  .hero-actions {
    flex-direction: column;
    gap: 12px;
    margin-bottom: 40px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 32px;
  }

  .problem-grid {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .numbers-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .timeline-step {
    flex-direction: column;
    gap: 16px;
  }

  .step-number {
    min-width: auto;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .nav-links {
    gap: 16px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .footer-nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }

  .problem,
  .services,
  .how,
  .numbers,
  .closing,
  .demo,
  .pricing,
  .contact {
    padding: 72px 20px;
  }
}

@media (max-width: 480px) {
  .numbers-grid {
    grid-template-columns: 1fr;
  }

  .nav-links a:not(.nav-cta) {
    display: none;
  }

  .contact-aside {
    grid-template-columns: 1fr;
  }

  .contact-wa-cta {
    grid-column: auto;
  }
}