/* ============================================================
   ROSE TECH ACADEMY — Base Styles
   Dark readable text, teal primary, gold accent
   ============================================================ */

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

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-16);
}

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}
body.home-page {
  background-color: var(--color-bg-home);
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4, h5, h6 {
  text-wrap: balance;
  line-height: 1.15;
  font-family: var(--font-display);
  color: var(--color-text);
}

p, li, figcaption { text-wrap: pretty; max-width: 72ch; }

::selection { background: rgba(79,163,197,0.2); color: var(--color-text); }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@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;
  }
}

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

a, button, [role='button'], input, textarea, select {
  transition:
    color var(--transition-interactive),
    background var(--transition-interactive),
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
}

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

/* ── Layout ── */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 5vw, var(--space-16));
}
.container--narrow  { max-width: var(--content-narrow); }
.container--default { max-width: var(--content-default); }

.section    { padding-block: clamp(var(--space-12), 8vw, var(--space-24)); }
.section--lg { padding-block: clamp(var(--space-16), 10vw, var(--space-32)); }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: var(--space-6); }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: var(--space-6); }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap: var(--space-5); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: #2B7A9A;
  color: #FFFFFF;
  border-color: #2B7A9A;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.btn-primary:hover {
  background: #1E6080;
  border-color: #1E6080;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background: var(--color-accent);
  color: #1A1E1F;
  border-color: var(--color-accent);
}
.btn-accent:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: #0D1518;
  border-color: #0D1518;
  font-weight: 700;
}
.btn-secondary:hover {
  background: rgba(13,21,24,0.06);
  border-color: #0D1518;
  color: #0D1518;
}

.btn-outline {
  background: transparent;
  color: #1A1E1F;
  border-color: #9DA8AB;
  font-weight: 600;
}
.btn-outline:hover {
  background: var(--color-surface-2);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-navy {
  background: #3A4447;
  color: #FFFFFF;
  border-color: #3A4447;
}
.btn-navy:hover {
  background: #4B5457;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-lg { padding: var(--space-4) var(--space-8); font-size: var(--text-base); }

/* Hero btn-secondary removed — using global .btn-secondary */

/* ── Cards ── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive), border-color var(--transition-interactive);
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--color-primary);
}

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  color: var(--color-primary-hover);
}

.badge-gold {
  background: var(--color-accent-highlight);
  color: var(--color-accent-hover);
}

/* ── Section headers ── */
.section-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #2B7A9A;
  margin-bottom: var(--space-3);
  display: block;
}

.section-title {
  font-size: var(--text-xl);
  font-weight: 800;
  color: #0D1518;
  margin-bottom: var(--space-4);
  font-family: var(--font-display);
}

.section-subtitle {
  font-size: var(--text-base);
  color: #1A2830;
  max-width: 62ch;
  line-height: 1.7;
  font-weight: 500;
}

/* ── Divider ── */
.divider {
  width: var(--space-10);
  height: 3px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

/* ── Forms ── */
.input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  outline: none;
}
.input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
}
.input::placeholder { color: var(--color-text-faint); }

/* ── Path icon colors ── */
.path-cyber { --path-color: #000000; --path-bg: #EAE5DF; }
.path-data  { --path-color: #000000; --path-bg: #EAE5DF; }
.path-cloud { --path-color: #000000; --path-bg: #EAE5DF; }
.path-ai    { --path-color: #000000; --path-bg: #EAE5DF; }
.path-pm    { --path-color: #000000; --path-bg: #EAE5DF; }
.path-genai { --path-color: #000000; --path-bg: #EAE5DF; }

[data-theme='dark'] .path-cyber { --path-bg: #EAE5DF; }
[data-theme='dark'] .path-data  { --path-bg: #EAE5DF; }
[data-theme='dark'] .path-cloud { --path-bg: #EAE5DF; }
[data-theme='dark'] .path-ai    { --path-bg: #EAE5DF; }
[data-theme='dark'] .path-pm    { --path-bg: #EAE5DF; }
[data-theme='dark'] .path-genai { --path-bg: #EAE5DF; }

/* Form validation error state */
.input-error {
  border-color: var(--color-error) !important;
  outline: 2px solid var(--color-error);
  outline-offset: 0;
}