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

:root {
  --color-primary: #FF6B35;
  --color-primary-dark: #E85A2B;
  --color-primary-darker: #C84920;
  --color-primary-light: #FFF1E8;
  --color-primary-lighter: #FFF9F5;
  --color-accent: #FF8C42;
  --color-text: #1F2937;
  --color-text-light: #6B7280;
  --color-text-lighter: #9CA3AF;
  --color-border: #E5E7EB;
  --color-border-orange: #FFD4B8;
  --color-bg: #FFFFFF;
  --color-bg-alt: #FFFAF6;
  --color-bg-dark: #1A1A1A;
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --shadow-sm: 0 1px 2px rgba(255, 107, 53, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(255, 107, 53, 0.08), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 25px -5px rgba(255, 107, 53, 0.12), 0 8px 10px -6px rgba(0,0,0,0.05);
  --shadow-orange: 0 8px 24px -4px rgba(255, 107, 53, 0.25);
  --radius: 14px;
  --radius-sm: 10px;
  --max-width: 1080px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-primary-dark);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-title {
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--color-text);
  text-align: center;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-light);
  text-align: center;
  max-width: 620px;
  margin: 0 auto 52px;
}

/* ===== Header / Nav ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.nav-logo:hover {
  color: var(--color-text);
}

.nav-logo-img {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--color-text-light);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
}

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

.nav-cta {
  background: var(--color-primary) !important;
  color: #fff !important;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  box-shadow: var(--shadow-orange);
}

.nav-cta:hover {
  background: var(--color-primary-dark) !important;
  color: #fff !important;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--color-text);
}

/* ===== Hero ===== */
.hero {
  padding: 72px 0 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.08) 0%, rgba(255, 107, 53, 0) 60%);
  pointer-events: none;
  z-index: 0;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-primary-light);
  color: var(--color-primary-darker);
  padding: 7px 18px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 28px;
  border: 1px solid var(--color-border-orange);
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

.hero h1 {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.035em;
  color: var(--color-text);
  max-width: 760px;
  margin: 0 auto 22px;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--color-primary);
}

.hero p {
  font-size: 1.2rem;
  color: var(--color-text-light);
  max-width: 580px;
  margin: 0 auto 40px;
  line-height: 1.55;
}

/* ===== Waitlist Form ===== */
.waitlist-form {
  display: flex;
  gap: 10px;
  max-width: 480px;
  margin: 0 auto;
  background: #fff;
  padding: 6px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.waitlist-form input {
  flex: 1;
  padding: 14px 18px;
  border: none;
  background: transparent;
  font-size: 1rem;
  outline: none;
  color: var(--color-text);
}

.waitlist-form button {
  background: var(--color-primary);
  color: #fff;
  border: none;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
}

.waitlist-form button:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-orange);
}

.waitlist-form button:active {
  transform: scale(0.97);
}

.waitlist-note {
  font-size: 0.85rem;
  color: var(--color-text-lighter);
  margin-top: 18px;
}

.waitlist-success {
  display: none;
  background: var(--color-primary-light);
  border: 1px solid var(--color-border-orange);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
  color: var(--color-primary-darker);
  font-weight: 500;
}

.waitlist-success.show {
  display: block;
}

/* ===== Product Mockup ===== */
.hero-mockup {
  margin: 72px auto 0;
  max-width: 920px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.mockup-browser-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.mockup-browser-bar .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.mockup-browser-bar .dot.red { background: #FF5F57; }
.mockup-browser-bar .dot.yellow { background: #FEBC2E; }
.mockup-browser-bar .dot.green { background: #28C840; }

.mockup-browser-bar .url {
  flex: 1;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 5px 14px;
  font-size: 0.8rem;
  color: var(--color-text-lighter);
  margin-left: 8px;
}

.mockup-content {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  min-height: 380px;
}

.mockup-sidebar {
  background: var(--color-bg-alt);
  padding: 24px;
  border-right: 1px solid var(--color-border);
}

.mockup-sidebar h4 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-lighter);
  margin-bottom: 14px;
  font-weight: 700;
}

.mockup-sidebar .session-item {
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 6px;
  font-size: 0.85rem;
  color: var(--color-text-light);
  background: #fff;
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.mockup-sidebar .session-item:hover {
  border-color: var(--color-border-orange);
}

.mockup-sidebar .session-item.active {
  background: var(--color-primary-light);
  color: var(--color-primary-darker);
  border-color: var(--color-primary);
  font-weight: 600;
}

.mockup-main {
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.mockup-chat-msg {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  align-items: flex-start;
}

.mockup-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
}

.mockup-avatar.ai { background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%); }
.mockup-avatar.user { background: #6B7280; }

.mockup-bubble {
  background: var(--color-bg-alt);
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 0.88rem;
  color: var(--color-text);
  line-height: 1.5;
  max-width: 80%;
}

.mockup-bubble.user {
  background: var(--color-primary-light);
  color: var(--color-primary-darker);
  border: 1px solid var(--color-border-orange);
}

.mockup-input-bar {
  display: flex;
  gap: 8px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.mockup-input-bar .input {
  flex: 1;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 0.85rem;
  color: var(--color-text-lighter);
}

.mockup-input-bar .send-btn {
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 12px 18px;
  font-size: 0.82rem;
  font-weight: 600;
}

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

.feature-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-border-orange);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 22px;
  border: 1px solid var(--color-border-orange);
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

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

.step {
  text-align: center;
  position: relative;
  padding: 0 12px;
}

.step-number {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: #fff;
  font-size: 1.6rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 22px;
  box-shadow: var(--shadow-orange);
}

.step h3 {
  font-size: 1.18rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.step p {
  font-size: 0.95rem;
  color: var(--color-text-light);
}

/* ===== Pricing ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 760px;
  margin: 0 auto;
}

.pricing-card {
  background: #fff;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  position: relative;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.pricing-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.pricing-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-orange);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-orange);
}

.pricing-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}

.pricing-card .price {
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--color-text);
  margin: 18px 0 4px;
  letter-spacing: -0.035em;
}

.pricing-card.featured .price {
  color: var(--color-primary);
}

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

.pricing-card .price-desc {
  font-size: 0.92rem;
  color: var(--color-text-light);
  margin: 16px 0 28px;
  line-height: 1.5;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 32px;
}

.pricing-features li {
  padding: 11px 0;
  font-size: 0.95rem;
  color: var(--color-text);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border-bottom: 1px solid var(--color-border);
}

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

.pricing-features li::before {
  content: "\2713";
  color: var(--color-primary);
  font-weight: 800;
  flex-shrink: 0;
}

.pricing-note {
  text-align: center;
  margin-top: 40px;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* ===== CTA Section ===== */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  border-radius: 20px;
  padding: 64px 48px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0) 70%);
  pointer-events: none;
}

.cta-section > * {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  font-size: 2.1rem;
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.cta-section p {
  font-size: 1.1rem;
  opacity: 0.95;
  margin-bottom: 32px;
}

.cta-section .waitlist-form {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(10px);
}

.cta-section .waitlist-form input {
  color: #fff;
}

.cta-section .waitlist-form input::placeholder {
  color: rgba(255,255,255,0.7);
}

.cta-section .waitlist-form button {
  background: #fff;
  color: var(--color-primary-darker);
}

.cta-section .waitlist-form button:hover {
  background: var(--color-primary-lighter);
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.cta-section .waitlist-success {
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
}

/* ===== About Page ===== */
.about-content {
  max-width: 760px;
  margin: 0 auto;
}

.about-content h1 {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 28px;
}

.about-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 44px 0 18px;
  letter-spacing: -0.01em;
}

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

.about-content .info-list {
  list-style: none;
  margin: 24px 0;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 24px;
}

.about-content .info-list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 1rem;
  display: flex;
  gap: 16px;
}

.about-content .info-list li:last-child {
  border-bottom: none;
}

.about-content .info-list li strong {
  min-width: 220px;
  color: var(--color-text);
  font-weight: 600;
}

.about-content .info-list li span {
  color: var(--color-text-light);
}

/* ===== Legal Pages ===== */
.legal-content {
  max-width: 760px;
  margin: 0 auto;
}

.legal-content h1 {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 10px;
}

.legal-content .last-updated {
  font-size: 0.9rem;
  color: var(--color-text-lighter);
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.legal-content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 40px 0 14px;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.legal-content h3 {
  font-size: 1.12rem;
  font-weight: 600;
  margin: 26px 0 10px;
  color: var(--color-text);
}

.legal-content p {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: 14px;
  line-height: 1.7;
}

.legal-content ul, .legal-content ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

.legal-content li {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: 8px;
  line-height: 1.6;
}

.legal-content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: var(--color-border-orange);
  text-underline-offset: 3px;
}

.legal-content a:hover {
  text-decoration-color: var(--color-primary);
}

/* ===== Footer ===== */
.footer {
  background: var(--color-bg-dark);
  color: #9CA3AF;
  padding: 56px 0 32px;
}

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

.footer .footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 20px;
}

.footer .footer-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: contain;
}

.footer .footer-logo-text {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}

.footer .company-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: #D1D5DB;
  margin-bottom: 6px;
}

.footer .company-address {
  font-size: 0.85rem;
  color: #6B7280;
  margin-bottom: 22px;
  line-height: 1.5;
}

.footer .footer-links {
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.footer .footer-links a {
  color: #9CA3AF;
  font-size: 0.9rem;
  font-weight: 500;
}

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

.footer .footer-email {
  font-size: 0.9rem;
  color: #9CA3AF;
}

.footer .footer-email a {
  color: #9CA3AF;
}

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

.footer .copyright {
  font-size: 0.8rem;
  color: #4B5563;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid #2A2A2A;
}

/* ===== Mobile Nav ===== */
.nav-links.show {
  display: flex;
  position: absolute;
  top: 68px;
  left: 0;
  right: 0;
  background: #fff;
  flex-direction: column;
  padding: 20px 24px;
  gap: 18px;
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.nav-links.show a {
  font-size: 1rem;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .hero {
    padding: 56px 0 40px;
  }

  .hero h1 {
    font-size: 2.1rem;
  }

  .hero p {
    font-size: 1.05rem;
  }

  .waitlist-form {
    flex-direction: column;
    padding: 8px;
  }

  .waitlist-form button {
    width: 100%;
  }

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

  .steps {
    grid-template-columns: 1fr;
    gap: 36px;
  }

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

  .mockup-content {
    grid-template-columns: 1fr;
  }

  .mockup-sidebar {
    display: none;
  }

  .section {
    padding: 56px 0;
  }

  .section-title {
    font-size: 1.7rem;
  }

  .cta-section {
    padding: 48px 24px;
  }

  .cta-section h2 {
    font-size: 1.7rem;
  }

  .about-content .info-list li {
    flex-direction: column;
    gap: 4px;
  }

  .about-content .info-list li strong {
    min-width: auto;
  }

  .about-content h1, .legal-content h1 {
    font-size: 2rem;
  }

  .footer .footer-links {
    gap: 18px;
  }
}