/* ========================================
   Clarus Circle — Styles
   ======================================== */

/* Custom Properties */
:root {
  /* Colors */
  --navy: #0a1628;
  --cream: #faf9f6;
  --gold: #b8956e;

  /* Typography */
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  /* Layout */
  --max-width: 720px;
  --header-height: 80px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--navy);
  background-color: var(--cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.2;
}

h1 {
  font-size: 3rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.75rem;
  margin-bottom: var(--space-md);
}

h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
}

p {
  margin-bottom: var(--space-sm);
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--navy);
  text-decoration: none;
}

a:hover {
  color: var(--gold);
}

ul {
  list-style: none;
}

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-xl) 0;
}

/* Header */
.header {
  padding: var(--space-md) 0;
  position: relative;
}

.header-inner {
  max-width: calc(var(--max-width) + 200px);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.wordmark {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--navy);
}

.wordmark:hover {
  color: var(--navy);
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  padding: 0.875rem 1.75rem;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.btn-primary {
  background-color: var(--navy);
  color: var(--cream);
}

.btn-primary:hover {
  opacity: 0.85;
  color: var(--cream);
}

.btn-secondary {
  background-color: var(--cream);
  color: var(--navy);
}

.btn-secondary:hover {
  opacity: 0.85;
  color: var(--navy);
}

/* Hero */
.hero {
  padding: var(--space-xl) 0;
  padding-top: var(--space-lg);
  text-align: center;
}

.hero h1 {
  margin-bottom: var(--space-md);
}

.hero-sub {
  font-size: 1.25rem;
  max-width: 540px;
  margin: 0 auto var(--space-lg);
  color: var(--navy);
  opacity: 0.85;
}

/* Problem Section */
.problem {
  background-color: var(--navy);
  color: var(--cream);
}

.problem h2 {
  color: var(--cream);
}

.problem p {
  opacity: 0.9;
}

/* How It Works */
.how-it-works {
  text-align: center;
}

.steps {
  display: grid;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.step {
  text-align: center;
}

.step-number {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--gold);
  margin-bottom: var(--space-sm);
}

.step h3 {
  font-size: 1.375rem;
}

.step p {
  opacity: 0.85;
  max-width: 320px;
  margin: 0 auto;
}

/* Who This Is For */
.who-for {
  border-top: 1px solid rgba(10, 22, 40, 0.1);
}

.who-grid {
  display: grid;
  gap: var(--space-lg);
}

.who-column h2 {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.who-column ul {
  padding-left: 0;
}

.who-column li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  opacity: 0.85;
}

.who-column li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1rem;
  width: 6px;
  height: 1px;
  background-color: var(--gold);
}

/* Guarantee */
.guarantee {
  text-align: center;
  border-top: 1px solid rgba(10, 22, 40, 0.1);
}

.guarantee-content {
  position: relative;
}

.guarantee-key {
  width: 48px;
  height: auto;
  opacity: 0.25;
  margin-bottom: var(--space-md);
}

.guarantee p {
  max-width: 480px;
  margin: 0 auto;
  opacity: 0.85;
}

/* Apply Section */
.apply {
  background-color: var(--navy);
  color: var(--cream);
  text-align: center;
}

.apply h2 {
  color: var(--cream);
}

.apply p {
  opacity: 0.9;
  margin-bottom: var(--space-md);
}

/* Footer */
.footer {
  padding: var(--space-lg) 0;
  text-align: center;
}

.footer-key {
  width: 32px;
  height: auto;
  opacity: 0.2;
  margin-bottom: var(--space-md);
}

.footer-contact {
  margin-bottom: var(--space-xs);
}

.footer-contact a {
  font-size: 0.9375rem;
  color: var(--navy);
  opacity: 0.7;
}

.footer-contact a:hover {
  opacity: 1;
  color: var(--gold);
}

.footer-copy {
  font-size: 0.8125rem;
  opacity: 0.5;
}

/* ========================================
   Responsive — Desktop (768px+)
   ======================================== */

@media (min-width: 768px) {
  :root {
    --space-xl: 8rem;
  }

  h1 {
    font-size: 3.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  .hero {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
  }

  .hero-sub {
    font-size: 1.375rem;
  }

  .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }

  .who-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }

  .who-column:last-child {
    border-left: 1px solid rgba(10, 22, 40, 0.1);
    padding-left: var(--space-lg);
  }
}