/* ================================================
   COD-YQ Academy — Base & Reset Styles
   ================================================ */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--color-text-primary);
}

p {
  color: var(--color-text-secondary);
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

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

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
}

/* ---- Layout Container ---- */

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

/* ---- Section Spacing ---- */

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

/* ---- Eyebrow Label ---- */

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--fs-eyebrow);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  background: var(--color-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-sm);
}

/* ---- Section Heading ---- */

.section__title {
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-md);
}

/* ---- Section Subtitle ---- */

.section__subtitle {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  line-height: 1.8;
}

/* ---- Centered Section Header ---- */

.section__header--center {
  text-align: center;
}

.section__header--center .section__subtitle {
  margin: 0 auto;
}

/* ---- Visually Hidden (Accessibility) ---- */

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

/* ---- Custom Scrollbar ---- */

::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border-accent);
  border-radius: var(--radius-full);
}

/* ---- Text Selection ---- */

::selection {
  background: rgba(247, 148, 29, 0.3);
  color: var(--color-text-primary);
}

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

.img-responsive {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---- Mobile: 480px ---- */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }
}