/* ===== Tokens ===== */
:root {
  --paper: #FAFAF7;
  --paper-alt: #FFFFFF;
  --ink: #14171C;
  --ink-soft: #4A4F58;

  /* Pulled from the Kelvix logo */
  --navy: #0B4D83;
  --navy-deep: #082F52;
  --teal: #1789A0;
  --green: #2FA85E;
  --brand-gradient: linear-gradient(100deg, var(--navy) 0%, var(--teal) 55%, var(--green) 100%);

  /* Kept as an alias so the rest of the stylesheet reads the same */
  --cobalt: var(--navy);
  --cobalt-ink: var(--navy-deep);

  --signal: #E4402C;
  --stone: #D8D5CC;
  --stone-line: #DEDBD2;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --max-width: 1120px;
  --radius: 2px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.mono { font-family: var(--font-mono); }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  margin: 0;
  letter-spacing: -0.01em;
}

p { margin: 0; }

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

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

:focus-visible {
  outline: 2px solid var(--cobalt);
  outline-offset: 2px;
}

/* ===== Header ===== */
.site-header {
  border-bottom: 1px solid var(--stone-line);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 20;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
}

.brand-logo {
  height: 34px;
  width: auto;
  display: block;
}

.brand--footer {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
}

.brand-icon {
  height: 20px;
  width: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 15px;
  font-weight: 500;
}

.site-nav a:not(.btn) {
  color: var(--ink-soft);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.site-nav a:not(.btn):hover {
  color: var(--ink);
  border-color: var(--ink);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--ink);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: var(--brand-gradient);
  background-size: 180% 180%;
  background-position: 0% 50%;
  border-color: transparent;
  color: #fff;
  transition: background-position 0.4s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary:hover {
  background-position: 100% 50%;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px -8px rgba(11, 77, 131, 0.45);
}

.btn-small {
  padding: 9px 16px;
  font-size: 14px;
}

.btn-block {
  width: 100%;
  padding: 14px 22px;
  font-size: 16px;
}

.btn:active { transform: translateY(1px); box-shadow: none; }

@media (prefers-reduced-motion: reduce) {
  .btn-primary:hover { transform: none; }
}

/* ===== Hero ===== */
.hero {
  padding: 72px 0 64px;
  border-bottom: 1px solid var(--stone-line);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--cobalt);
  margin-bottom: 14px;
}

.hero h1 {
  font-size: 44px;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 46ch;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.hero-note {
  font-size: 14px;
  color: var(--ink-soft);
}

/* ---- Hero visual: map pack comparison ---- */
.hero-visual {
  background: var(--paper-alt);
  border: 1px solid var(--stone-line);
  padding: 20px;
  position: relative;
}

.visual-caption {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 16px;
}

.live-dot {
  position: relative;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  flex: none;
}

.live-dot::after {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 1px solid var(--green);
  animation: pulse-ring 2.2s ease-out infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.5); opacity: 0.9; }
  100% { transform: scale(1.8); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .live-dot::after { animation: none; display: none; }
}

.pack-card {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--stone-line);
  background: var(--paper);
  margin-bottom: 10px;
}

.pack-card--you {
  border-color: var(--ink);
  background: #fff;
}

.pack-rank {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 15px;
  background: var(--stone);
  color: var(--ink);
}

.pack-rank--signal {
  background: var(--signal);
  color: #fff;
}

.pack-name {
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 2px;
}

.tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  background: var(--green);
  color: #fff;
  padding: 2px 6px;
  margin-left: 8px;
  vertical-align: middle;
}

.pack-meta {
  font-size: 13px;
  color: var(--ink-soft);
}

.pack-delta {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}

.pack-delta--up { color: var(--signal); }
.pack-delta--flat { color: var(--ink-soft); }

.visual-footnote {
  font-size: 13px;
  color: var(--ink-soft);
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--stone-line);
}

/* ===== Strip ===== */
.strip {
  background: var(--ink);
  color: var(--paper);
}

.strip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.strip-item {
  padding: 32px 24px;
  border-left: 1px solid rgba(255,255,255,0.14);
  text-align: center;
}

.strip-item:first-child { border-left: none; }

.strip-item--accent { background: var(--brand-gradient); }

.strip-number {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 6px;
}

.strip-label {
  font-size: 14px;
  color: rgba(250,250,247,0.75);
}

/* ===== Sections ===== */
.section {
  padding: 80px 0;
}

.section-title {
  font-size: 30px;
  margin-bottom: 36px;
  max-width: 20ch;
}

/* Steps */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 32px;
}

.step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--stone-line);
}

.step:last-child { border-bottom: none; padding-bottom: 0; }

.step-num {
  font-size: 15px;
  font-weight: 600;
  color: var(--cobalt);
}

.step h3 {
  font-size: 19px;
  margin-bottom: 8px;
}

.step p {
  color: var(--ink-soft);
  max-width: 60ch;
}

/* Sample report */
.section--sample {
  background: var(--paper-alt);
  border-top: 1px solid var(--stone-line);
  border-bottom: 1px solid var(--stone-line);
}

.sample-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.sample-intro p {
  color: var(--ink-soft);
  margin-top: 12px;
  max-width: 34ch;
}

.sample-card {
  border: 1px solid var(--ink);
  background: var(--paper);
}

.sample-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--stone-line);
  background: var(--ink);
  color: var(--paper);
}

.sample-from {
  font-size: 13px;
  background: var(--cobalt);
  padding: 3px 8px;
}

.sample-subject {
  font-size: 14px;
  font-weight: 500;
}

.sample-body {
  padding: 24px 20px;
  display: grid;
  gap: 16px;
}

.sample-body p {
  color: var(--ink-soft);
}

.sample-action {
  padding: 14px 16px;
  background: var(--paper-alt);
  border-left: 3px solid var(--signal);
  color: var(--ink) !important;
}

/* Form */
.form-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
}

.form-intro p {
  color: var(--ink-soft);
  margin-top: 12px;
  max-width: 36ch;
}

.lead-form {
  display: grid;
  gap: 16px;
  background: var(--paper-alt);
  border: 1px solid var(--stone-line);
  padding: 28px;
}

.field {
  display: grid;
  gap: 6px;
}

.field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
}

.field input,
.field select {
  font-family: var(--font-body);
  font-size: 15px;
  padding: 11px 12px;
  border: 1px solid var(--stone-line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
}

.field input:focus,
.field select:focus {
  border-color: var(--cobalt);
}

.form-note {
  font-size: 13px;
  color: var(--ink-soft);
  text-align: center;
}

.form-success {
  text-align: center;
  padding: 24px 8px;
}

.form-success h3 {
  font-size: 20px;
  margin-bottom: 10px;
  color: var(--cobalt);
}

.form-success p {
  color: var(--ink-soft);
}

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--stone-line);
  padding: 28px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-meta {
  font-size: 13px;
  color: var(--ink-soft);
}

.footer-meta a {
  color: var(--cobalt);
  font-weight: 500;
}

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .hero-grid,
  .sample-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

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

  .strip-item {
    border-left: none;
    border-top: 1px solid rgba(255,255,255,0.14);
  }

  .strip-item:first-child { border-top: none; }

  .hero h1 {
    font-size: 32px;
  }

  .site-nav {
    gap: 14px;
  }

  .site-nav a:not(.btn) {
    display: none;
  }

  .section {
    padding: 56px 0;
  }
}

/* ===== Scroll reveal ===== */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal-delay="1"] { transition-delay: 0.08s; }
[data-reveal-delay="2"] { transition-delay: 0.16s; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}