/* =============================================================================
   Chilli Pepper — shared stylesheet
   Design tokens, layout primitives, and component styles used across all pages.
   ========================================================================== */

:root {
  /* Brand colours */
  --blue:           #1E5A8E;
  --blue-dark:      #164A75;
  --blue-light:     #E8F0F8;
  --teal:           #1E8E8E;
  --green:          #2D8A4E;
  --amber:          #B8860B;
  --red:            #C0392B;

  /* Surfaces */
  --bg:             #F7F8FA;
  --s1:             #FFFFFF;
  --s2:             #F2F4F7;
  --s3:             #E8EAEE;
  --b1:             #D9DBE0;
  --b2:             #C4C7CC;

  /* Text */
  --t1:             #1A1D23;
  --t2:             #4A4F5A;
  --t3:             #7A7F8A;

  /* Typography */
  --fn:             'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing scale */
  --space-1:        4px;
  --space-2:        8px;
  --space-3:        12px;
  --space-4:        16px;
  --space-5:        24px;
  --space-6:        32px;
  --space-7:        48px;
  --space-8:        64px;
  --space-9:        96px;

  /* Other */
  --radius:         8px;
  --radius-sm:      4px;
  --shadow-sm:      0 1px 2px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.04);
  --shadow-md:      0 4px 8px rgba(0,0,0,0.04), 0 2px 4px rgba(0,0,0,0.06);
  --max-width:      1100px;
}

/* -------------------------------------------------------------------------- */
/* Reset & base                                                               */
/* -------------------------------------------------------------------------- */

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

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--fn);
  font-size: 16px;
  line-height: 1.55;
  color: var(--t1);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

p { margin: 0 0 var(--space-4); }
p:last-child { margin-bottom: 0; }

a {
  color: var(--blue);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

ul { margin: 0; padding: 0; list-style: none; }

/* -------------------------------------------------------------------------- */
/* Layout primitives                                                          */
/* -------------------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

/* -------------------------------------------------------------------------- */
/* Top bar                                                                    */
/* -------------------------------------------------------------------------- */

.site-top {
  background: var(--s1);
  border-bottom: 1px solid var(--b1);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--t1);
  font-weight: 600;
  font-size: 17px;
}
.brand:hover { text-decoration: none; }

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--blue);
  color: white;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.site-nav a {
  color: var(--t2);
  font-weight: 500;
  font-size: 14px;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
}
.site-nav a:hover { color: var(--t1); text-decoration: none; }
.site-nav a.btn-primary,
.site-nav a.btn-ghost { padding: 8px 14px; }

/* -------------------------------------------------------------------------- */
/* Buttons                                                                    */
/* -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: background 120ms, border-color 120ms, color 120ms;
}
.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--blue);
  color: white;
  border-color: var(--blue);
}
.btn-primary:hover {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
}

.btn-ghost {
  background: transparent;
  color: var(--t2);
  border-color: var(--b1);
}
.btn-ghost:hover {
  background: var(--s2);
  color: var(--t1);
}

.btn-lg {
  padding: 14px 24px;
  font-size: 15px;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* -------------------------------------------------------------------------- */
/* Hero                                                                       */
/* -------------------------------------------------------------------------- */

.hero {
  padding: var(--space-9) 0 var(--space-8);
  text-align: center;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--blue);
  margin: 0 0 var(--space-4);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(40px, 6vw, 64px);
  letter-spacing: -0.025em;
  margin: 0 0 var(--space-5);
}

.hero-sub {
  font-size: 18px;
  color: var(--t2);
  max-width: 620px;
  margin: 0 auto var(--space-6);
}

.hero-cta {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
}

.hero-foot {
  font-size: 13px;
  color: var(--t3);
}

/* -------------------------------------------------------------------------- */
/* Section conventions                                                        */
/* -------------------------------------------------------------------------- */

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.02em;
  text-align: center;
  margin: 0 0 var(--space-5);
}

.section-sub {
  font-size: 17px;
  color: var(--t2);
  text-align: center;
  max-width: 560px;
  margin: 0 auto var(--space-7);
}

.features,
.pricing,
.how-it-works {
  padding: var(--space-8) 0;
}

.features  { background: var(--s1); border-block: 1px solid var(--b1); }
.pricing   { background: var(--bg); }
.how-it-works { background: var(--s1); border-top: 1px solid var(--b1); }

/* -------------------------------------------------------------------------- */
/* Feature cards                                                              */
/* -------------------------------------------------------------------------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-7);
}

.feature-card {
  padding: var(--space-6);
  background: var(--s1);
  border: 1px solid var(--b1);
  border-radius: var(--radius);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--blue-light);
  color: var(--blue);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.feature-card h3 {
  font-size: 22px;
  margin: 0 0 var(--space-3);
}

.feature-list {
  margin-top: var(--space-4);
}
.feature-list li {
  position: relative;
  padding-left: var(--space-5);
  margin-bottom: var(--space-2);
  color: var(--t2);
  font-size: 14px;
}
.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
}

/* -------------------------------------------------------------------------- */
/* Pricing card                                                               */
/* -------------------------------------------------------------------------- */

.pricing-card {
  max-width: 420px;
  margin: 0 auto;
  padding: var(--space-6);
  background: var(--s1);
  border: 1px solid var(--b1);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  text-align: left;
}

.price-tier {
  font-size: 14px;
  font-weight: 600;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 var(--space-2);
}

.price {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin: 0 0 var(--space-2);
}
.price-amount {
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.price-period {
  font-size: 16px;
  color: var(--t3);
}

.price-detail {
  color: var(--t3);
  font-size: 13px;
  margin: 0 0 var(--space-5);
}

.price-features {
  margin: 0 0 var(--space-5);
}
.price-features li {
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--s3);
  color: var(--t2);
  font-size: 14px;
}
.price-features li:last-child { border-bottom: 0; }
.price-features li::before {
  content: '✓ ';
  color: var(--green);
  font-weight: 600;
  margin-right: var(--space-2);
}

/* -------------------------------------------------------------------------- */
/* How it works                                                               */
/* -------------------------------------------------------------------------- */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-7);
}

.steps li {
  text-align: center;
  padding: var(--space-4);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--blue);
  color: white;
  font-weight: 600;
  font-size: 16px;
  margin-bottom: var(--space-3);
}

.steps h3 {
  font-size: 17px;
  margin: 0 0 var(--space-2);
}

.steps p {
  font-size: 14px;
  color: var(--t2);
  margin: 0;
}

/* -------------------------------------------------------------------------- */
/* Footer                                                                     */
/* -------------------------------------------------------------------------- */

.site-foot {
  background: var(--s1);
  border-top: 1px solid var(--b1);
  padding: var(--space-5) 0;
  font-size: 13px;
  color: var(--t3);
}

.site-foot-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.foot-nav {
  display: flex;
  gap: var(--space-4);
}
.foot-nav a { color: var(--t2); }
.foot-nav a:hover { color: var(--t1); }

.foot-version {
  color: var(--t3);
  font-variant-numeric: tabular-nums;
  margin: 0;
}

/* -------------------------------------------------------------------------- */
/* Responsive                                                                 */
/* -------------------------------------------------------------------------- */

@media (max-width: 640px) {
  .site-nav a:not(.btn-primary):not(.btn-ghost) { display: none; }
  .hero { padding: var(--space-7) 0 var(--space-6); }
  .features, .pricing, .how-it-works { padding: var(--space-7) 0; }
}