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

:root {
  --orange-start: #f7931a;
  --orange-end: #e8541e;
  --accent: #e85d24;
  --accent-light: #fdf0e8;
  --text: #1d1d1f;
  --text-secondary: #6e6e73;
  --bg: #ffffff;
  --bg-alt: #f5f5f7;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.1);
  --max-width: 1120px;
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: opacity var(--transition);
}

a:hover {
  opacity: 0.8;
}

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text);
}

.nav-brand img {
  width: 32px;
  height: 32px;
  border-radius: 7px;
}

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

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--text);
  opacity: 1;
}

.nav-links .btn-primary {
  color: #fff;
}

.nav-links .btn-primary:hover {
  color: #fff;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 980px;
  font-size: 0.88rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--orange-start), var(--orange-end));
  color: #fff;
  box-shadow: 0 2px 12px rgba(232, 84, 30, 0.25);
}

.btn-primary:hover {
  opacity: 1;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(232, 84, 30, 0.35);
}

.btn-secondary {
  background: var(--bg-alt);
  color: var(--text);
}

.btn-secondary:hover {
  opacity: 1;
  background: #ececee;
}

.btn-icon {
  width: 20px;
  height: 20px;
}

/* ===== Hero ===== */
.hero {
  padding: 140px 0 80px;
  text-align: center;
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  top: -60%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(247, 147, 26, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-screenshot {
  position: absolute;
  top: 55px;
  right: 24px;
  width: 240px;
  height: auto;
  filter: drop-shadow(0 8px 32px rgba(0, 0, 0, 0.12));
  z-index: 2;
}

.hero-icon {
  width: 140px;
  height: 140px;
  border-radius: 32px;
  margin: 0 auto 32px;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 16px;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--orange-start), var(--orange-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-meta {
  margin-top: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.hero-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-meta svg {
  width: 16px;
  height: 16px;
  opacity: 0.5;
}

/* ===== Pipeline Section ===== */
.pipeline {
  padding: 100px 0;
  background: var(--bg-alt);
}

.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 8px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.5;
}

.pipeline-header {
  text-align: center;
  margin-bottom: 64px;
}

.pipeline-header .section-subtitle {
  margin: 0 auto;
}

.pipeline-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.pipeline-step {
  flex: 1;
  min-width: 180px;
  max-width: 230px;
  text-align: center;
  position: relative;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--orange-start), var(--orange-end));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.4rem;
}

.step-number svg {
  width: 26px;
  height: 26px;
}

.pipeline-step h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.pipeline-step p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.step-arrow {
  flex: 0 0 auto;
  color: #ccc;
  margin-top: 18px;
  min-width: 20px;
}

.step-arrow svg {
  width: 20px;
  height: 20px;
}

/* ===== Features ===== */
.features {
  padding: 100px 0;
}

.features-header {
  text-align: center;
  margin-bottom: 64px;
}

.features-header .section-subtitle {
  margin: 0 auto;
}

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

.feature-card {
  background: var(--bg);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all var(--transition);
}

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

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--accent);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===== Testimonials ===== */
.testimonials {
  padding: 100px 0;
  background: var(--bg-alt);
}

.testimonials-header {
  text-align: center;
  margin-bottom: 64px;
}

.testimonials-header .section-subtitle {
  margin: 0 auto;
}

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

.testimonial-card {
  background: var(--bg);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: all var(--transition);
}

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

.testimonial-stars {
  display: flex;
  gap: 2px;
  color: #f7931a;
}

.testimonial-stars svg {
  width: 16px;
  height: 16px;
}

.testimonial-quote {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text);
  font-style: normal;
  flex: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 4px;
  border-top: 1px solid rgba(0, 0, 0, 0.04);
  padding-top: 18px;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--orange-start), var(--orange-end));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  flex-shrink: 0;
  letter-spacing: 0.02em;
}

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

.testimonial-role {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: 1px;
}

/* ===== Tech Specs ===== */
.specs {
  padding: 100px 0;
  background: var(--bg-alt);
}

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

.specs-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.spec-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.spec-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--orange-start), var(--orange-end));
  margin-top: 8px;
  flex-shrink: 0;
}

.spec-item h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 3px;
}

.spec-item p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.specs-visual {
  background: var(--bg);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.spec-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--accent-light);
  border-radius: 980px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
}

.spec-badge svg {
  width: 16px;
  height: 16px;
}

.specs-visual .format-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.format-tag {
  padding: 6px 14px;
  background: var(--bg-alt);
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  font-family: "SF Mono", SFMono-Regular, ui-monospace, monospace;
}

/* ===== Roadmap ===== */
.roadmap {
  padding: 100px 0 40px;
}

.roadmap-header {
  text-align: center;
  margin-bottom: 64px;
}

.roadmap-header .section-subtitle {
  margin: 0 auto;
}

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

.roadmap-item {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
  text-align: center;
  background: var(--bg);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all var(--transition);
}

.roadmap-item:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.roadmap-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.roadmap-icon svg {
  width: 24px;
  height: 24px;
}

.roadmap-badge {
  display: inline-block;
  padding: 3px 10px;
  background: linear-gradient(135deg, var(--orange-start), var(--orange-end));
  color: #fff;
  border-radius: 980px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.roadmap-item h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.roadmap-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===== FAQ ===== */
.faq {
  padding: 100px 0;
  background: var(--bg-alt);
}

.faq-header {
  text-align: center;
  margin-bottom: 48px;
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow);
}

.faq-item summary {
  padding: 18px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  padding: 0 24px 18px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== CTA ===== */
.cta {
  padding: 60px 0;
  text-align: center;
}

.cta-box {
  background: linear-gradient(135deg, var(--orange-start), var(--orange-end));
  border-radius: var(--radius);
  padding: 64px 40px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cta-box h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  position: relative;
}

.cta-box p {
  font-size: 1.05rem;
  opacity: 0.9;
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

.btn-white {
  background: #fff;
  color: var(--accent);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
  position: relative;
}

.btn-white:hover {
  opacity: 1;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* ===== Footer ===== */
.footer {
  padding: 32px 0;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
}

.footer-brand img {
  width: 24px;
  height: 24px;
  border-radius: 5px;
}

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

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--text);
  opacity: 1;
}

.footer-bottom {
  padding: 12px 0;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-secondary);
  opacity: 0.6;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero-screenshot {
    display: none;
  }

  .features-grid,
  .testimonials-grid,
  .roadmap-items {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .step-arrow {
    display: none;
  }

  .pipeline-steps {
    gap: 32px;
  }
}

@media (max-width: 600px) {
  .features-grid,
  .testimonials-grid,
  .roadmap-items {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .hero-screenshot {
    display: none;
  }

  .hero-icon {
    width: 100px;
    height: 100px;
    border-radius: 24px;
  }

  .hero-meta {
    flex-direction: column;
    gap: 12px;
  }

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

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

  .pipeline-step {
    min-width: 140px;
  }
}