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

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  background: #0a0a0a;
  color: #e8e8e8;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

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

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, #0a0a0a 0%, #000000 30%, #0a0a0a 100%);
}

.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
  border-left: 1px solid #111111;
  border-right: 1px solid #111111;
}

header {
  padding: 1rem 0;
  border-bottom: 1px solid #333333;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #000000;
}

.brand {
  font-family: "GT America Mono", "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
  display: flex;
  align-items: center;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #0a0a0a;
  -webkit-text-stroke: 0.6px rgba(255, 45, 0, 0.75);
  text-shadow:
    -0.5px -0.5px 0 rgba(255, 45, 0, 0.6),
    0.5px -0.5px 0 rgba(255, 45, 0, 0.6),
    -0.5px 0.5px 0 rgba(255, 45, 0, 0.6),
    0.5px 0.5px 0 rgba(255, 45, 0, 0.6);
  line-height: 1.1;
}

.fuel-file-text {
  font-family: "GT America Mono", "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #ff2d00;
}

.fuel-file-gap {
  display: inline-block;
  margin-right: 0.4em;
}

.tagline {
  font-size: 0.8rem;
  color: #b0b0b0;
  text-align: right;
}

main {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

section {
  background: #0a0a0a;
  border: 1px solid #333333;
  border-radius: 0.5rem;
  padding: 1.4rem 1.3rem 1.5rem;
  position: relative;
}

section + section::before,
.hero + section::before {
  content: "";
  position: absolute;
  top: -0.4rem;
  left: 0;
  width: 100%;
  height: 4px;
  background: #ff2d00;
}

.section-title {
  font-family: "GT America Mono", "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #b0b0b0;
  margin-bottom: 0.35rem;
}

.section-heading {
  font-family: "GT America Condensed", "GT America Mono", "Inter", sans-serif;
  font-size: 36px;
  line-height: 1.1;
  margin: 0 0 0.75rem;
  color: #e8e8e8;
}

.section-body {
  font-size: 18px;
  line-height: 1.65;
  color: #e8e8e8;
}

.section-body p { margin: 0.5rem 0; }

.list {
  margin: 0.4rem 0 0.4rem 1.1rem;
  padding: 0;
  list-style: disc;
}
.list li { margin-bottom: 0.25rem; }

ol.list {
  list-style: decimal;
  margin: 0.4rem 0 0.4rem 1.4rem;
  padding: 0;
}

.link-cta {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  color: #ff2d00;
  font-weight: 700;
  text-decoration: none;
  position: relative;
}

.link-cta::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: #ff2d00;
}

.grid-two {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
  margin-top: 0.5rem;
}

/* HERO */
.hero {
  border: 1px solid #333333;
  padding: 1.5rem 1.3rem 1.5rem;
  background: #000000;
  position: relative;
}

.hero-title-small {
  font-family: "GT America Mono", "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #b0b0b0;
  margin-bottom: 0.4rem;
}

.hero-title-small.fuel-file-text {
  color: #ff2d00;
  font-size: 0.85rem;
}

.section-title .fuel-file-text {
  color: inherit;
  font-size: inherit;
  letter-spacing: inherit;
}

.hero-title-main {
  font-family: "GT America Condensed", "GT America Mono", "Inter", sans-serif;
  font-size: clamp(30px, 4.5vw, 52px);
  line-height: 1.05;
  margin: 0 0 0.65rem;
  color: #e8e8e8;
}

.hero-title-main.shrink {
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.05;
}

.hero-sub {
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.7;
  margin-bottom: 1rem;
  color: #e8e8e8;
}

.hero-sub.shrink {
  font-size: clamp(13px, 1.6vw, 15px);
  line-height: 1.6;
}

.hero-sub.tight {
  line-height: 1.35;
  margin-bottom: 0.35rem;
}

.hero-question {
  margin-top: 0.9rem;
  margin-bottom: 0.8rem;
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.4;
  font-weight: 600;
  color: #ff2d00;
  padding-left: 0.8rem;
  border-left: 2px solid #ff2d00;
}

.thank-you h1 {
  margin-bottom: 0.4rem;
}

.thank-you p {
  margin: 0.3rem 0;
  line-height: 1.5;
  font-size: 1.08em;
}

@media (orientation: landscape) {
  .thank-you p {
    font-size: 1.16em;
    line-height: 1.55;
  }
  .thankyou-callout {
    font-size: clamp(20px, 3vw, 28px);
  }
}

.wide-thankyou {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

.thankyou-callout {
  font-family: "GT America Mono", "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
  font-size: clamp(18px, 2.2vw, 22px);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #ff2d00;
  margin-top: 0.8rem;
}


.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.6rem;
  border-radius: 4px;
  border: 1px solid #ff2d00;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 700;
  background: #ff2d00;
  color: #0a0a0a;
  box-shadow: 0 12px 30px rgba(255, 45, 0, 0.35);
  transition: background 0.12s ease, color 0.12s ease, transform 0.12s ease;
}

.btn-primary .fuel-file-text {
  color: #0a0a0a;
}

.btn-primary:hover {
  background: #000000;
  color: #ff2d00;
  transform: translateY(-1px);
}

.btn-primary:hover .fuel-file-text {
  color: #ff2d00;
}

.btn-ghost {
  padding: 0.85rem 1.4rem;
  border-radius: 4px;
  border: 1px solid #333333;
  background: #0a0a0a;
  font-size: 0.92rem;
  color: #e8e8e8;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: border 0.12s ease, color 0.12s ease;
}

.btn-ghost:hover {
  border-color: #ff2d00;
  color: #ff2d00;
}

.hero-note {
  font-size: 14px;
  color: #b0b0b0;
  margin-top: 0.75rem;
}

.muted {
  color: #b0b0b0;
  font-size: 14px;
}

.muted.emph {
  font-size: 16px;
}

.micro {
  color: #b0b0b0;
  font-size: 14px;
  margin-top: 0.35rem;
}

.quote-card {
  border: 1px solid #333333;
  border-radius: 6px;
  padding: 1rem;
  background: #0a0a0a;
  min-height: 100%;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  border: 1px solid #333333;
  font-family: "GT America Mono", "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #e8e8e8;
}

.price-block {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 0.65rem;
}
.price-block span {
  font-size: 28px;
  color: #ff2d00;
}

.faq-item { margin-bottom: 0.85rem; }
.faq-q { font-weight: 700; margin-bottom: 0.1rem; }

footer {
  padding: 1.5rem 1.25rem 2.2rem;
  font-size: 0.8rem;
  color: #b0b0b0;
  text-align: center;
}

.cta-inline {
  margin-top: 1rem;
}

.scroll-indicator {
  position: fixed;
  right: 12px;
  top: 0;
  width: 3px;
  height: 100vh;
  background: #111111;
  z-index: 10;
}

.scroll-indicator .fill {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 0;
  background: #ff2d00;
  transition: height 0.08s linear;
}

.oxygen-hit {
  text-align: center;
  color: #ff2d00;
  font-family: "GT America Mono", "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 1.2em;
  margin: 1.2rem 0;
  line-height: 1.4;
}

.checkout-box {
  border: 1px solid #333333;
  border-radius: 8px;
  padding: 16px;
  background: #000000;
  margin: 1rem 0;
}

#payment-form {
  display: grid;
  gap: 12px;
}

#submit {
  width: 100%;
}

#payment-message {
  color: #ff2d00;
  font-size: 14px;
}

.checkout-note {
  margin-top: 12px;
  text-align: center;
}

.hidden {
  display: none;
}

@media (max-width: 600px) {
  .hero-title-main { font-size: 42px; }
  .btn-primary, .btn-ghost { width: 100%; justify-content: center; }
  .btn-primary { padding: 1.25rem 1.2rem; }
  header {
    flex-direction: row;
    align-items: center;
  }
  header .btn-primary {
    width: auto;
    max-width: 50vw;
    margin-left: auto;
    justify-content: center;
    padding: 0.95rem 1.3rem;
  }
}

@media (min-width: 760px) {
  .grid-two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .container {
    max-width: 900px;
    padding: 2rem 1.75rem 4rem;
  }

  section {
    padding: 1.6rem 1.5rem 1.65rem;
  }
}