:root {
  --iv-bg: #F8FAFC;
  --iv-surface: #FFFFFF;
  --iv-text: #111827;
  --iv-text-soft: #475569;
  --iv-heading: #0F172A;
  --iv-border: #E2E8F0;
  --iv-primary: #0F172A;
  --iv-accent: #2563EB;

  --iv-radius: 12px;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  background: var(--iv-bg);
  color: var(--iv-text);
}

.iv-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
}

.iv-section {
  padding: 64px 0;
}

h1 {
  font-size: 36px;
  color: var(--iv-heading);
}

h2 {
  font-size: 28px;
  color: var(--iv-heading);
}

p {
  color: var(--iv-text-soft);
}

/* HEADER FIX */
header {
  border-bottom: 1px solid var(--iv-border);
  background: white;
}

header ul {
  list-style: none;
  display: flex;
  gap: 20px;
  padding: 0;
}

/* REMOVE CHAOS */
ul, li {
  list-style: none;
  padding: 0;
  margin: 0;
}

/* BUTTON */
.iv-btn {
  background: var(--iv-primary);
  color: white;
  padding: 12px 18px;
  border-radius: var(--iv-radius);
  text-decoration: none;
  font-weight: 600;
}

/* CARD */
.iv-card {
  border: 1px solid var(--iv-border);
  border-radius: var(--iv-radius);
  padding: 24px;
  background: white;
}


/* ===== PREMIUM SPACING ===== */

.iv-section {
  padding: 60px 0;
}

.iv-section:first-of-type {
  padding-top: 80px;
}

h1 {
  font-size: 42px;
  line-height: 1.15;
  max-width: 700px;
  margin-bottom: 24px;
}

h2 {
  font-size: 28px;
  margin-bottom: 16px;
}

p {
  font-size: 18px;
  max-width: 680px;
}

/* HERO BUTTON */
.iv-btn {
  display: inline-block;
  margin-top: 32px;
  font-size: 15px;
  padding: 14px 22px;
}

/* LIST CLEAN + SPACING */
ul {
  margin-top: 24px;
}

li {
  margin-bottom: 10px;
  font-size: 16px;
}

/* CARD EFFECT */
.iv-card {
  padding: 40px;
  margin-top: 20px;
}

/* FOOTER */
footer {
  margin-top: 120px;
  padding-bottom: 60px;
}