/**
 * SEOZZY CSS Reset
 */

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

html {
  font-size: 16px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-korean);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-navy);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
}

h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.2;
}

h2 {
  font-size: clamp(28px, 4vw, 36px);
}

h3 {
  font-size: clamp(20px, 3vw, 24px);
}

h4 {
  font-size: clamp(18px, 2.5vw, 20px);
}

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

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

/* Links */
a {
  color: var(--color-deep-blue);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

a:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

/* Lists */
ul, ol {
  list-style: none;
}

/* Images */
img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Form Elements */
button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

button:disabled {
  cursor: not-allowed;
}

input, textarea, select {
  border: 1px solid var(--color-medium-gray);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-size: 16px;
  width: 100%;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-deep-blue);
  box-shadow: 0 0 0 3px rgba(28, 46, 69, 0.1);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

/* Tables */
table {
  border-collapse: collapse;
  width: 100%;
}

/* Accessibility */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  z-index: 9999;
  padding: 8px 16px;
  background: var(--color-navy);
  color: var(--color-white);
}

.skip-link:focus {
  top: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}