:root {
  --bg: #0C1117;
  --bg-alt: #131920;
  --fg: #E8E4DF;
  --fg-muted: #9A9590;
  --accent: #D4A574;
  --accent-light: #E8C9A8;
  --accent-glow: rgba(212, 165, 116, 0.15);
  --sand: #C4B5A0;
  --ocean: #5B8A9A;
  --ocean-dark: #3D6471;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;
  --max-w: 1100px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
}

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

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ---- HEADER ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0 var(--space-md);
  background: rgba(12, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.header-brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--fg);
}

.btn {
  display: inline-block;
  padding: 0.5rem 1.2rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-ghost {
  background: transparent;
  color: var(--fg-muted);
  border: 1px solid rgba(255,255,255,0.1);
}

.btn-ghost:hover {
  color: var(--fg);
  border-color: rgba(255,255,255,0.2);
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}

.btn-primary:hover {
  background: var(--accent-light);
}

/* ---- HERO ---- */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-xl) var(--space-md);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 70vw;
  height: 70vw;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero-tag {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  line-height: 1.1;
  color: var(--fg);
  margin-bottom: var(--space-md);
}

.hero-lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: var(--space-md);
  flex-wrap: wrap;
}

.hero-btn-primary {
  font-size: 1rem;
  padding: 0.8rem 2rem;
  border-radius: 10px;
}

.hero-btn-secondary {
  font-size: 0.95rem;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  color: var(--fg-muted);
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-btn-primary,
  .hero-btn-secondary {
    width: 100%;
    text-align: center;
  }
}

.hero-visual {
  max-width: var(--max-w);
  margin: var(--space-lg) auto 0;
  width: 100%;
  position: relative;
  z-index: 1;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.stat-card {
  background: var(--bg-alt);
  border: 1px solid rgba(212, 165, 116, 0.12);
  border-radius: 12px;
  padding: var(--space-md);
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--accent);
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ---- PROBLEM ---- */
.problem {
  padding: var(--space-xl) var(--space-md);
  background: var(--bg-alt);
}

.problem-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  margin-bottom: var(--space-lg);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.problem-item {
  background: var(--bg);
  border-radius: 12px;
  padding: var(--space-md);
  border-left: 3px solid var(--ocean);
}

.problem-time {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ocean);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: var(--space-xs);
}

.problem-item p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  font-style: italic;
}

/* ---- FEATURES ---- */
.features {
  padding: var(--space-xl) var(--space-md);
}

.features-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.features h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  margin-bottom: var(--space-lg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.feature-block {
  background: var(--bg-alt);
  border-radius: 12px;
  padding: var(--space-md) var(--space-md) var(--space-md);
  border: 1px solid rgba(255,255,255,0.04);
  transition: border-color 0.3s;
}

.feature-block:hover {
  border-color: rgba(212, 165, 116, 0.2);
}

.feature-large {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--bg-alt) 0%, rgba(91, 138, 154, 0.08) 100%);
  border-color: rgba(91, 138, 154, 0.15);
}

.feature-icon {
  display: inline-block;
  font-size: 1.6rem;
  margin-bottom: var(--space-sm);
  color: var(--accent);
}

.feature-block h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
  color: var(--fg);
}

.feature-block p {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ---- HOW ---- */
.how {
  padding: var(--space-xl) var(--space-md);
  background: var(--bg-alt);
}

.how-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  margin-bottom: var(--space-lg);
}

.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.how-step {
  position: relative;
}

.step-num {
  font-family: var(--font-display);
  font-size: 3rem;
  color: rgba(212, 165, 116, 0.2);
  display: block;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.how-step h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--fg);
  margin-bottom: var(--space-xs);
}

.how-step p {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ---- TESTIMONIALS ---- */
.testimonials {
  padding: var(--space-xl) var(--space-md);
  background: var(--bg-alt);
}

.testimonials-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.testimonials-tag {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.testimonials h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  margin-bottom: var(--space-lg);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.testimonial-card {
  background: var(--bg);
  border-radius: 12px;
  padding: var(--space-md);
  border: 1px solid rgba(212, 165, 116, 0.1);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transition: border-color 0.3s;
}

.testimonial-card:hover {
  border-color: rgba(212, 165, 116, 0.25);
}

.testimonial-stars {
  color: var(--accent);
  font-size: 1rem;
  letter-spacing: 0.1em;
}

.testimonial-quote {
  font-size: 0.95rem;
  color: var(--fg);
  line-height: 1.7;
  font-style: italic;
  flex: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ocean-dark), var(--ocean));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--fg);
  flex-shrink: 0;
}

.testimonial-meta {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.testimonial-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--fg);
}

.testimonial-detail {
  font-size: 0.78rem;
  color: var(--fg-muted);
}

.testimonial-result {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-top: 1px solid rgba(212, 165, 116, 0.1);
  padding-top: var(--space-sm);
}

/* ---- CLOSING ---- */
.closing {
  padding: var(--space-xl) var(--space-md);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  line-height: 1.15;
  margin-bottom: var(--space-md);
}

.closing-text {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.closing-tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--accent);
}

.closing-cta {
  margin: var(--space-md) 0 var(--space-lg);
}

.btn-accent {
  background: var(--accent);
  color: var(--bg);
  font-size: 1rem;
  padding: 0.75rem 2rem;
  border-radius: 10px;
}

.btn-accent:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(212, 165, 116, 0.25);
}

/* ---- FOOTER ---- */
.site-footer {
  padding: var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--fg);
}

.footer-note {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .header-nav {
    gap: var(--space-sm);
  }

  .nav-link {
    display: none;
  }

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

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

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

  .feature-large {
    grid-column: 1;
  }

  .how-steps {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .footer-inner {
    flex-direction: column;
    gap: var(--space-xs);
    text-align: center;
  }

  .hero {
    min-height: auto;
    padding: var(--space-lg) var(--space-sm);
  }

  .problem, .features, .how, .closing, .testimonials {
    padding: var(--space-lg) var(--space-sm);
  }

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