/* ============================================================================
   Base Styles
   Shared resets, typography, spacing, and primitive components for the UI
   ============================================================================ */

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

html {
  scroll-behavior: smooth;
  font-size: clamp(15px, calc(0.35vw + 14px), 16px);
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  line-height: 1.7;
  color: var(--gray-800);
  background-color: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
  -webkit-overflow-scrolling: touch;
  font-feature-settings: "liga", "kern";
  text-rendering: optimizeLegibility;
  word-spacing: 0.05em;
  font-variant-ligatures: common-ligatures;
  font-kerning: normal;
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-normal);
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding-inline: clamp(20px, 4vw, 48px);
}

section {
  padding: var(--section-padding) 0;
}

.section-header {
  text-align: center;
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: clamp(0.75rem, 2vw, 1rem);
}

.section-header p {
  font-size: clamp(1rem, 1.75vw, 1.25rem);
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: clamp(0.4rem, 1.5vw, 0.75rem);
  padding: clamp(12px, 2.5vw, 14px) clamp(24px, 6vw, 36px);
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-normal);
  border: none;
  text-decoration: none;
  min-width: clamp(140px, 18vw, 190px);
  justify-content: center;
}

.btn-primary {
  background: var(--gradient-secondary);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

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