/* ============================================
   TradeByText — Global Styles
   ============================================ */

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

:root {
  --bg-primary: #0f1117;
  --bg-secondary: #181b24;
  --bg-card: #1e2230;
  --bg-card-hover: #252a3a;
  --accent: #f59e0b;
  --accent-hover: #d97706;
  --accent-glow: rgba(245, 158, 11, 0.15);
  --text-primary: #f1f3f7;
  --text-secondary: #9ba3b5;
  --text-muted: #636d83;
  --border: #2a2f3e;
  --whatsapp: #25d366;
  --whatsapp-dark: #1da851;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.4);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1140px;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }
ul, ol { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.1rem; }

p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.text-accent { color: var(--accent); }
.text-whatsapp { color: var(--whatsapp); }

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Section --- */
.section {
  padding: 96px 0;
}

.section-sm {
  padding: 64px 0;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-header .label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.1rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #0f1117;
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: #0f1117;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.25);
}

.btn-whatsapp {
  background: var(--whatsapp);
  color: #fff;
}
.btn-whatsapp:hover {
  background: var(--whatsapp-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.25);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition);
}

.nav.scrolled {
  background: rgba(15, 17, 23, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}
.nav-logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}

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

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero --- */
.hero {
  padding: 160px 0 96px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  pointer-events: none;
}

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

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 6px 16px 6px 8px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--whatsapp);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 {
  margin-bottom: 20px;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent), #fbbf24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  margin-bottom: 32px;
  max-width: 480px;
}

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

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

/* WhatsApp chat mockup */
.chat-mockup {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 360px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.chat-header {
  background: #1f2c34;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: #0f1117;
}

.chat-header-info h4 {
  font-size: 0.9rem;
  font-weight: 600;
}
.chat-header-info span {
  font-size: 0.75rem;
  color: var(--whatsapp);
}

.chat-body {
  padding: 16px;
  min-height: 280px;
  background: #0b141a;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.chat-msg {
  max-width: 85%;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.85rem;
  line-height: 1.5;
  position: relative;
  opacity: 0;
  animation: chat-fade-in 0.4s ease forwards;
}

.chat-msg.sent {
  background: #005c4b;
  color: #e9edef;
  align-self: flex-end;
  border-bottom-right-radius: 2px;
}

.chat-msg.received {
  background: #1f2c34;
  color: #e9edef;
  align-self: flex-start;
  border-bottom-left-radius: 2px;
}

.chat-msg .time {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.45);
  text-align: right;
  margin-top: 4px;
}

.chat-msg:nth-child(1) { animation-delay: 0.3s; }
.chat-msg:nth-child(2) { animation-delay: 0.8s; }
.chat-msg:nth-child(3) { animation-delay: 1.4s; }
.chat-msg:nth-child(4) { animation-delay: 2.0s; }
.chat-msg:nth-child(5) { animation-delay: 2.6s; }

@keyframes chat-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(245, 158, 11, 0.2);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.feature-card h3 {
  margin-bottom: 10px;
  font-size: 1.15rem;
}

.feature-card p {
  font-size: 0.92rem;
}

/* --- How It Works --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.3;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
  margin: 0 auto 24px;
  position: relative;
  z-index: 1;
}

.step h3 {
  margin-bottom: 10px;
}

.step p {
  font-size: 0.92rem;
  max-width: 280px;
  margin: 0 auto;
}

/* --- Stats / Social Proof --- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 48px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* --- Pricing Card --- */
.pricing-wrapper {
  display: flex;
  justify-content: center;
}

.pricing-card {
  background: var(--bg-card);
  border: 2px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 48px;
  max-width: 480px;
  width: 100%;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.pricing-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #fbbf24, var(--accent));
}

.pricing-badge {
  display: inline-block;
  background: var(--accent);
  color: #0f1117;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 24px;
}

.pricing-card h3 {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.pricing-card .price {
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  margin: 16px 0 4px;
}

.pricing-card .price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
}

.pricing-card .price-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.pricing-features {
  text-align: left;
  margin-bottom: 32px;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  font-size: 0.92rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(42, 47, 62, 0.5);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features .check {
  color: var(--whatsapp);
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* --- Pricing Teaser (homepage) --- */
.pricing-teaser {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  text-align: center;
  border: 1px solid var(--border);
}

.pricing-teaser .price {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 16px 0 8px;
}

.pricing-teaser .price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-muted);
}

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  background: linear-gradient(180deg, var(--bg-primary), var(--bg-secondary));
}

.cta-section h2 {
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 1.1rem;
  max-width: 520px;
  margin: 0 auto 32px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* --- Testimonial / Quote --- */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}

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

.testimonial-card blockquote {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

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

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-card-hover);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--accent);
}

.testimonial-author-info .name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}

.testimonial-author-info .role {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* --- Feature Detail (features page) --- */
.feature-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 64px 0;
  border-bottom: 1px solid var(--border);
}

.feature-detail:last-child {
  border-bottom: none;
}

.feature-detail.reverse {
  direction: rtl;
}

.feature-detail.reverse > * {
  direction: ltr;
}

.feature-detail-content .label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 12px;
}

.feature-detail-content h3 {
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.feature-detail-content p {
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.feature-detail-content ul {
  margin-top: 16px;
}

.feature-detail-content ul li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 6px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.feature-detail-content ul li .check {
  color: var(--whatsapp);
  font-weight: 700;
  flex-shrink: 0;
}

.feature-detail-visual {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Chat snippet inside feature visual */
.mini-chat {
  width: 100%;
  max-width: 300px;
}

.mini-chat .msg {
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.82rem;
  line-height: 1.5;
  margin-bottom: 6px;
  max-width: 90%;
}

.mini-chat .msg.sent {
  background: #005c4b;
  color: #e9edef;
  margin-left: auto;
  border-bottom-right-radius: 2px;
}

.mini-chat .msg.received {
  background: #1f2c34;
  color: #e9edef;
  border-bottom-left-radius: 2px;
}

/* --- About Page --- */
.about-hero {
  padding: 160px 0 64px;
  text-align: center;
}

.about-hero h1 {
  margin-bottom: 16px;
}

.about-hero p {
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-content h2 {
  margin-bottom: 20px;
}

.about-content p {
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.about-values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}

.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.value-card h4 {
  margin-bottom: 8px;
  color: var(--accent);
}

.value-card p {
  font-size: 0.85rem;
}

/* --- FAQ --- */
.faq-grid {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 20px 0;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--accent);
}

.faq-question .icon {
  font-size: 1.2rem;
  transition: transform var(--transition);
  flex-shrink: 0;
  color: var(--text-muted);
}

.faq-item.active .faq-question .icon {
  transform: rotate(45deg);
  color: var(--accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer-inner {
  padding: 0 0 20px;
}

.faq-answer-inner p {
  font-size: 0.92rem;
}

/* --- Footer --- */
.footer {
  padding: 64px 0 32px;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 0.88rem;
  margin-top: 12px;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  color: var(--text-secondary);
  font-size: 0.88rem;
  padding: 4px 0;
  transition: color var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
}

.footer-bottom a:hover {
  color: var(--text-secondary);
}

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --- Mobile Nav Overlay --- */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 17, 23, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.mobile-nav.open {
  display: flex;
}

.mobile-nav a {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-primary);
}

.mobile-nav a:hover {
  color: var(--accent);
}

/* --- Page Hero (sub-pages) --- */
.page-hero {
  padding: 160px 0 64px;
  text-align: center;
  position: relative;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 400px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  pointer-events: none;
}

.page-hero h1 {
  margin-bottom: 16px;
  position: relative;
}

.page-hero p {
  font-size: 1.15rem;
  max-width: 560px;
  margin: 0 auto;
  position: relative;
}

/* --- Guarantee Banner --- */
.guarantee {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 40px;
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: 640px;
  margin: 48px auto 0;
}

.guarantee-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
}

.guarantee h4 {
  margin-bottom: 4px;
}

.guarantee p {
  font-size: 0.88rem;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .testimonial-card:nth-child(3) {
    grid-column: span 2;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding: 120px 0 64px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-visual {
    order: -1;
  }

  .chat-mockup {
    max-width: 320px;
    margin: 0 auto;
  }

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

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .steps-grid::before {
    display: none;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .feature-detail {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .feature-detail.reverse {
    direction: ltr;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-values {
    grid-template-columns: 1fr;
  }

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

  .testimonial-card:nth-child(3) {
    grid-column: auto;
  }

  .pricing-card {
    padding: 36px 24px;
  }

  .pricing-teaser {
    padding: 40px 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .guarantee {
    flex-direction: column;
    text-align: center;
    padding: 32px 24px;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-content {
    text-align: center;
  }

  .hero p {
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero {
    padding: 100px 0 48px;
  }

  .btn-lg {
    padding: 14px 28px;
    font-size: 0.95rem;
    width: 100%;
    justify-content: center;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
}