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

html {
  scroll-behavior: smooth;
}

body {
  background: #0A0A0A;
  color: #FFFFFF;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* =========================================
   Typography
   ========================================= */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.15;
  color: #FFFFFF;
}

h1 { font-size: clamp(2rem, 5vw, 3.4rem); letter-spacing: -0.025em; }
h2 { font-size: clamp(1.65rem, 3.5vw, 2.6rem); letter-spacing: -0.02em; }
h3 { font-size: 1.15rem; font-weight: 600; }

p {
  color: #A1A1AA;
  line-height: 1.75;
}

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

/* =========================================
   Layout
   ========================================= */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section-alt {
  background: #0D0D0D;
}

/* =========================================
   Buttons
   ========================================= */
.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: opacity 0.18s ease, transform 0.15s ease;
  white-space: nowrap;
}

.btn:hover {
  opacity: 0.86;
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
  opacity: 1;
}

.btn-primary {
  background: #F97316;
  color: #FFFFFF;
}

.btn-lg {
  padding: 17px 36px;
  font-size: 16px;
  border-radius: 10px;
}

/* =========================================
   Section Label
   ========================================= */
.section-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #F97316;
  margin-bottom: 14px;
}

/* =========================================
   1. NAV
   ========================================= */
#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.8);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, backdrop-filter 0.3s ease, background 0.3s ease;
}

#nav.scrolled {
  background: rgba(10, 10, 10, 0.92);
  border-bottom-color: #1F1F1F;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 19px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.015em;
}

/* =========================================
   2. HERO
   ========================================= */
#hero {
  padding: 164px 0 108px;
  text-align: center;
}

.hero-inner {
  max-width: 820px;
  margin: 0 auto;
}

#hero h1 {
  margin-bottom: 24px;
}

.subheadline {
  font-size: clamp(1rem, 2.4vw, 1.25rem);
  color: #A1A1AA;
  max-width: 580px;
  margin: 0 auto 36px;
  line-height: 1.65;
}

.trust-line {
  margin-top: 20px;
  font-size: 13px;
  color: #71717A;
  font-weight: 500;
  letter-spacing: 0.01em;
}

/* =========================================
   3. PROBLEM
   ========================================= */
#problem h2 {
  max-width: 680px;
  margin-bottom: 40px;
}

.problem-body {
  max-width: 620px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.problem-body p {
  font-size: 1.05rem;
}

.problem-close {
  color: #FFFFFF !important;
  font-weight: 600;
  font-size: 1.15rem !important;
}

/* =========================================
   4. WHAT YOU GET
   ========================================= */
#what-you-get h2 {
  margin-bottom: 48px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card {
  background: #111111;
  border: 1px solid #1F1F1F;
  border-radius: 12px;
  padding: 28px 26px;
  transition: border-color 0.2s ease;
}

.card:hover {
  border-color: #2A2A2A;
}

.card h3 {
  margin-bottom: 14px;
  font-size: 1.05rem;
}

.card p {
  font-size: 0.93rem;
  line-height: 1.7;
}

.dot-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.dot-list li {
  color: #A1A1AA;
  font-size: 0.93rem;
  padding-left: 18px;
  position: relative;
  line-height: 1.6;
}

.dot-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 5px;
  background: #F97316;
  border-radius: 50%;
}

/* =========================================
   5. HOW IT WORKS
   ========================================= */
#how-it-works h2 {
  margin-bottom: 52px;
}

.timeline {
  position: relative;
  max-width: 760px;
}

.timeline-item {
  display: flex;
  gap: 40px;
  padding: 28px 0;
  border-top: 1px solid #1F1F1F;
}

.timeline-item:first-child {
  border-top: none;
  padding-top: 0;
}

.timeline-day {
  flex-shrink: 0;
  width: 84px;
  font-size: 12px;
  font-weight: 600;
  color: #F97316;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding-top: 4px;
  text-align: right;
}

.timeline-content h3 {
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.timeline-content p {
  font-size: 0.93rem;
}

/* =========================================
   6. THE MATH
   ========================================= */
#the-math h2 {
  margin-bottom: 0;
}

.roi-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  max-width: 740px;
  margin-top: 40px;
}

.roi-card {
  background: #111111;
  border: 1px solid #1F1F1F;
  border-radius: 12px;
  overflow: hidden;
}

.roi-card-heading {
  padding: 14px 22px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #71717A;
  background: #161616;
  border-bottom: 1px solid #1F1F1F;
}

.roi-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 13px 22px;
  border-bottom: 1px solid #1A1A1A;
  gap: 16px;
}

.roi-row:last-child {
  border-bottom: none;
}

.roi-label {
  font-size: 13px;
  color: #71717A;
}

.roi-val {
  font-size: 14px;
  color: #FFFFFF;
  font-weight: 500;
  white-space: nowrap;
}

.roi-net {
  background: rgba(249, 115, 22, 0.06);
}

.roi-net .roi-label {
  color: #A1A1AA;
  font-weight: 600;
}

.roi-net .roi-val {
  color: #F97316;
  font-weight: 700;
  font-size: 16px;
}

@media (max-width: 540px) {
  .roi-cards {
    grid-template-columns: 1fr;
  }
}

.table-note {
  margin-top: 16px;
  font-size: 12px;
  color: #3F3F46;
}

/* =========================================
   7. WHO IT'S FOR
   ========================================= */
#who-its-for h2 {
  margin-bottom: 48px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  max-width: 860px;
}

.col-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #52525B;
  margin-bottom: 20px;
}

.check-list li,
.x-list li {
  position: relative;
  padding: 12px 0 12px 32px;
  color: #A1A1AA;
  font-size: 0.97rem;
  border-bottom: 1px solid #1A1A1A;
}

/* Checkmark circle */
.check-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1.5px solid #F97316;
  background: rgba(249, 115, 22, 0.08);
}

/* Checkmark tick */
.check-list li::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 50%;
  width: 5px;
  height: 8px;
  border-right: 2px solid #F97316;
  border-bottom: 2px solid #F97316;
  transform: translateY(-60%) rotate(45deg);
}

/* X circle */
.x-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1.5px solid #3F3F46;
  background: rgba(63, 63, 70, 0.1);
}

/* X mark */
.x-list li::after {
  content: 'x';
  position: absolute;
  left: 5px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 10px;
  color: #52525B;
  font-weight: 700;
  line-height: 1;
}

/* =========================================
   8. GUARANTEE
   ========================================= */
#guarantee h2 {
  margin-bottom: 48px;
}

.guarantee-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 800px;
}

.guarantee-card {
  background: #111111;
  border: 1px solid #1F1F1F;
  border-radius: 12px;
  padding: 32px 28px;
}

.guarantee-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #F97316;
  background: rgba(249, 115, 22, 0.1);
  border: 1px solid rgba(249, 115, 22, 0.25);
  border-radius: 4px;
  padding: 4px 10px;
  margin-bottom: 16px;
}

.guarantee-card h3 {
  margin-bottom: 12px;
}

.guarantee-card p {
  font-size: 0.93rem;
}

.guarantee-note {
  margin-top: 24px;
  font-size: 13px;
  color: #52525B;
}

/* =========================================
   9. BOOK
   ========================================= */
.book-section {
  text-align: center;
}

.book-inner {
  max-width: 620px;
  margin: 0 auto;
}

.book-section h2 {
  margin-bottom: 20px;
}

.book-close {
  font-size: 1.05rem;
  margin-bottom: 36px;
  color: #A1A1AA;
}

/* =========================================
   10. FOOTER
   ========================================= */
#footer {
  padding: 28px 0;
  border-top: 1px solid #151515;
}

.footer-inner {
  font-size: 13px;
  color: #3F3F46;
  text-align: center;
}

.footer-brand {
  color: #71717A;
  font-weight: 500;
}

.footer-email {
  color: #71717A;
  transition: color 0.2s;
}

.footer-email:hover {
  color: #F97316;
}

.footer-sep {
  color: #232323;
}

/* =========================================
   Scroll Animations
   ========================================= */
.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* =========================================
   Responsive — Tablet
   ========================================= */
@media (max-width: 860px) {
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .two-col {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

/* =========================================
   Responsive — Mobile
   ========================================= */
@media (max-width: 600px) {
  .section {
    padding: 72px 0;
  }

  #hero {
    padding: 128px 0 80px;
  }

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

  .timeline-item {
    flex-direction: column;
    gap: 10px;
  }

  .timeline-day {
    text-align: left;
    width: auto;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .footer-sep {
    display: none;
  }

  .nav-inner .btn {
    font-size: 12px;
    padding: 10px 16px;
  }
}