:root {
  --bg: #0a0a0c;
  --bg-subtle: #111114;
  --bg-card: #16161a;
  --fg: #e8e6e3;
  --fg-muted: #8a8880;
  --accent: #e5a44d;
  --accent-dim: #c4883a;
  --accent-glow: rgba(229, 164, 77, 0.12);
  --green: #3ecf8e;
  --red: #ef6461;
  --border: #222228;
  --radius: 12px;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* === HERO === */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 80px 24px 60px;
  background: 
    radial-gradient(ellipse 70% 50% at 60% 0%, var(--accent-glow), transparent),
    var(--bg);
}

.hero-inner {
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  border-radius: 100px;
  padding: 6px 18px;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

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

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 620px;
  margin-bottom: 48px;
  line-height: 1.7;
}

.hero-stat-row {
  display: flex;
  gap: 32px;
  align-items: center;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.2rem;
  color: var(--accent);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--fg-muted);
  margin-top: 4px;
  line-height: 1.4;
}

.hero-stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* === PROBLEM === */
.problem {
  padding: 100px 24px;
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.problem-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.problem-left h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  position: sticky;
  top: 40px;
}

.problem-right p {
  color: var(--fg-muted);
  margin-bottom: 20px;
  font-size: 1.05rem;
}

.problem-right strong {
  color: var(--fg);
}

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

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

.services-header {
  margin-bottom: 56px;
}

.services-header h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.services-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.2s;
}

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

.service-card-featured {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--bg-card), rgba(229, 164, 77, 0.06));
  border-color: var(--accent-dim);
}

.service-icon {
  font-size: 1.6rem;
  margin-bottom: 16px;
  filter: grayscale(0.3);
}

.service-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.service-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* === MATH === */
.math {
  padding: 100px 24px;
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.math-inner h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 40px;
  text-align: center;
}

.math-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 36px;
}

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

.math-card-good {
  border-color: var(--accent-dim);
  background: linear-gradient(135deg, var(--bg-card), rgba(229, 164, 77, 0.06));
}

.math-scenario {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.math-line {
  color: var(--fg-muted);
  font-size: 0.95rem;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.math-line:last-child {
  border-bottom: none;
  padding-top: 16px;
  font-weight: 600;
  font-size: 1.05rem;
}

.math-loss {
  color: var(--red) !important;
}

.math-gain {
  color: var(--green) !important;
}

.math-bottom {
  text-align: center;
  color: var(--fg-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

/* === CLOSING === */
.closing {
  padding: 100px 24px;
  text-align: center;
}

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

.closing-inner h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}

.closing-inner p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  margin-bottom: 20px;
  line-height: 1.7;
}

.closing-accent {
  color: var(--accent) !important;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem !important;
}

/* === 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;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

.footer-text {
  color: var(--fg-muted);
  font-size: 0.85rem;
}

/* === NAV === */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 12, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}

.nav-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 32px;
  height: 60px;
}

.nav-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  color: var(--fg);
  text-decoration: none;
  margin-right: auto;
}

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

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

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

.nav-cta {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--bg);
  background: var(--accent);
  text-decoration: none;
  border-radius: 8px;
  padding: 8px 18px;
  transition: background 0.2s, transform 0.15s;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--accent-dim);
  transform: translateY(-1px);
}

/* === BUTTONS === */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border-radius: 10px;
  padding: 14px 28px;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  letter-spacing: -0.01em;
}

.btn-primary:hover {
  background: var(--accent-dim);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(229, 164, 77, 0.25);
}

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--fg-muted);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1rem;
  text-decoration: none;
  border-radius: 10px;
  padding: 14px 28px;
  border: 1px solid var(--border);
  transition: border-color 0.2s, color 0.2s, transform 0.15s;
  letter-spacing: -0.01em;
}

.btn-secondary:hover {
  border-color: var(--fg-muted);
  color: var(--fg);
  transform: translateY(-1px);
}

.hero-cta-row {
  display: flex;
  gap: 12px;
  margin-bottom: 52px;
  flex-wrap: wrap;
}

/* === SECTION BADGE (reusable) === */
.section-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  border-radius: 100px;
  padding: 5px 14px;
  margin-bottom: 20px;
}

/* === PRICING === */
.pricing {
  padding: 100px 24px;
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.pricing-inner {
  max-width: 1020px;
  margin: 0 auto;
}

.pricing-header {
  text-align: center;
  margin-bottom: 56px;
}

.pricing-header h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.pricing-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: start;
}

.plan-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  position: relative;
  transition: border-color 0.2s;
}

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

.plan-card-featured {
  border-color: var(--accent-dim);
  background: linear-gradient(160deg, var(--bg-card), rgba(229, 164, 77, 0.05));
  transform: translateY(-8px);
  box-shadow: 0 8px 40px rgba(229, 164, 77, 0.1);
}

.plan-badge-featured {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--bg);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 100px;
  padding: 4px 14px;
  white-space: nowrap;
}

.plan-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
  color: var(--fg-muted);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 16px;
}

.plan-amount {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.6rem;
  color: var(--fg);
  letter-spacing: -0.03em;
  line-height: 1;
}

.plan-period {
  color: var(--fg-muted);
  font-size: 0.9rem;
}

.plan-pitch {
  color: var(--fg-muted);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 28px;
  min-height: 60px;
}

.plan-features {
  list-style: none;
  margin-bottom: 32px;
}

.plan-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  color: var(--fg);
}

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

.feat-muted {
  color: var(--fg-muted);
}

.feat-check {
  color: var(--green);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.feat-x {
  color: var(--border);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.plan-cta {
  display: block;
  text-align: center;
  text-decoration: none;
  border-radius: 10px;
  padding: 13px 20px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.15s;
  letter-spacing: -0.01em;
}

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

.plan-cta-primary:hover {
  background: var(--accent-dim);
  transform: translateY(-2px);
}

.plan-cta-secondary {
  background: transparent;
  color: var(--fg-muted);
  border: 1px solid var(--border);
}

.plan-cta-secondary:hover {
  border-color: var(--accent-dim);
  color: var(--fg);
  transform: translateY(-1px);
}

.pricing-guarantee {
  text-align: center;
  color: var(--fg-muted);
  font-size: 0.88rem;
  margin-top: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* === ROI CALCULATOR === */
.roi {
  padding: 100px 24px;
}

.roi-inner {
  max-width: 960px;
  margin: 0 auto;
}

.roi-header {
  margin-bottom: 56px;
}

.roi-header h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.roi-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
}

.roi-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: start;
}

.roi-inputs {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.roi-field label {
  display: block;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 14px;
}

.roi-label-note {
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  color: var(--fg-muted);
  opacity: 0.7;
}

.roi-input-wrap {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.roi-slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.roi-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 0 0 3px rgba(229, 164, 77, 0.15);
}

.roi-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 0 0 5px rgba(229, 164, 77, 0.2);
}

.roi-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  cursor: pointer;
}

.roi-input-display {
  display: flex;
  align-items: center;
  gap: 6px;
}

.roi-number-input {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--fg);
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  padding: 8px 12px;
  width: 110px;
  outline: none;
  transition: border-color 0.2s;
  -moz-appearance: textfield;
}

.roi-number-input::-webkit-outer-spin-button,
.roi-number-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
}

.roi-number-input:focus {
  border-color: var(--accent-dim);
}

.roi-unit {
  font-size: 0.9rem;
  color: var(--fg-muted);
  font-weight: 500;
}

.roi-unit-prefix {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--fg-muted);
}

.roi-results {
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: sticky;
  top: 80px;
}

.roi-result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
}

.roi-result-card-main {
  border-color: var(--accent-dim);
  background: linear-gradient(135deg, var(--bg-card), rgba(229, 164, 77, 0.06));
}

.roi-result-card-roi {
  background: var(--bg-subtle);
}

.roi-result-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.roi-result-value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.2rem;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.roi-result-bad {
  color: var(--red);
}

.roi-result-good {
  color: var(--green);
}

.roi-result-roi {
  color: var(--accent);
}

.roi-result-sub {
  font-size: 0.82rem;
  color: var(--fg-muted);
  margin-top: 6px;
}

.roi-divider-arrow {
  text-align: center;
  color: var(--fg-muted);
  font-size: 1.1rem;
  margin: -4px 0;
}

.roi-cta {
  display: block;
  text-align: center;
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: 10px;
  padding: 14px 20px;
  margin-top: 8px;
  transition: background 0.2s, transform 0.15s;
  letter-spacing: -0.01em;
}

.roi-cta:hover {
  background: var(--accent-dim);
  transform: translateY(-2px);
}

/* === CLOSING CTA === */
.closing-cta-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 32px;
  flex-wrap: wrap;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .problem-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .problem-left h2 {
    position: static;
  }

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

  .service-card-featured {
    grid-column: auto;
  }

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

  .hero-stat-row {
    gap: 24px;
  }

  .hero-stat-divider {
    display: none;
  }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .nav-links {
    display: none;
  }

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

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

  .roi-layout {
    grid-template-columns: 1fr;
  }

  .roi-results {
    position: static;
  }

  .hero-cta-row {
    flex-direction: column;
    align-items: flex-start;
  }
}