/* ============================================================
   BASE.CSS — Al-Abbas Vocational Preparatory School
   Modern CSS Reset, Typography, Language Support, Layout
   Premium $7000 Quality — Royal Navy & Gold Theme
   ============================================================ */

/* ─────────────────────────────────────────────
   MODERN CSS RESET
   ───────────────────────────────────────────── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  font-size: 16px;
  tab-size: 4;
  scroll-padding-top: var(--nav-height);
}

body {
  min-height: 100vh;
  background-color: var(--navy-900);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  letter-spacing: var(--ls-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  position: relative;
}

/* ─────────────────────────────────────────────
   HTML ELEMENT RESETS
   ───────────────────────────────────────────── */
article, aside, details, figcaption, figure,
footer, header, hgroup, main, menu, nav,
section, summary {
  display: block;
}

ul, ol {
  list-style: none;
}

a {
  color: var(--gold-500);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--gold-300);
}

a:focus-visible {
  outline: 2px solid var(--gold-500);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

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

img {
  border: 0;
  -webkit-user-drag: none;
  user-select: none;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
  outline: none;
}

button {
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

hr {
  border: none;
  height: 1px;
  background: var(--glass-border);
}

strong, b {
  font-weight: var(--fw-bold);
}

/* Remove default fieldset & legend styles */
fieldset {
  border: none;
  padding: 0;
}

/* ─────────────────────────────────────────────
   CUSTOM SCROLLBAR — Gold on Navy
   ───────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--navy-950);
  border-left: 1px solid rgba(200, 168, 78, 0.1);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--gold-700), var(--gold-500), var(--gold-700));
  border-radius: var(--radius-full);
  border: 2px solid var(--navy-950);
  transition: background var(--transition-base);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--gold-600), var(--gold-400), var(--gold-600));
}

::-webkit-scrollbar-thumb:active {
  background: var(--gold-400);
}

::-webkit-scrollbar-corner {
  background: var(--navy-950);
}

/* Firefox Scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--gold-600) var(--navy-950);
}

/* ─────────────────────────────────────────────
   TEXT SELECTION
   ───────────────────────────────────────────── */
::selection {
  background-color: rgba(200, 168, 78, 0.35);
  color: var(--text-primary);
}

::-moz-selection {
  background-color: rgba(200, 168, 78, 0.35);
  color: var(--text-primary);
}

/* ─────────────────────────────────────────────
   TYPOGRAPHY — Headings
   ───────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-tight);
  color: var(--text-primary);
}

h1 {
  font-size: var(--fs-display);
  font-weight: var(--fw-black);
}

h2 {
  font-size: var(--fs-4xl);
  font-weight: var(--fw-bold);
}

h3 {
  font-size: var(--fs-3xl);
}

h4 {
  font-size: var(--fs-2xl);
}

h5 {
  font-size: var(--fs-xl);
}

h6 {
  font-size: var(--fs-lg);
}

p {
  line-height: var(--lh-relaxed);
  color: var(--text-secondary);
}

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

/* ─────────────────────────────────────────────
   ARABIC TYPOGRAPHY
   ───────────────────────────────────────────── */
html[lang='ar'] body {
  font-family: var(--font-arabic);
  letter-spacing: 0;
}

html[lang='ar'] h1,
html[lang='ar'] h2,
html[lang='ar'] h3,
html[lang='ar'] h4,
html[lang='ar'] h5,
html[lang='ar'] h6 {
  font-family: var(--font-arabic);
  letter-spacing: 0;
  font-weight: var(--fw-bold);
}

html[lang='ar'] p,
html[lang='ar'] span,
html[lang='ar'] a,
html[lang='ar'] li,
html[lang='ar'] label,
html[lang='ar'] input,
html[lang='ar'] textarea,
html[lang='ar'] button,
html[lang='ar'] select {
  font-family: var(--font-arabic);
}

/* ─────────────────────────────────────────────
   BILINGUAL LANGUAGE VISIBILITY
   ───────────────────────────────────────────── */
html[lang='en'] .lang-ar {
  display: none !important;
}

html[lang='ar'] .lang-en {
  display: none !important;
}

/* ─────────────────────────────────────────────
   LAYOUT — Container System
   ───────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-narrow {
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-wide {
  max-width: var(--container-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

/* ─────────────────────────────────────────────
   LAYOUT — Section Spacing
   ───────────────────────────────────────────── */
.section-padding {
  padding-top: var(--section-padding-y);
  padding-bottom: var(--section-padding-y);
  padding-left: var(--section-padding-x);
  padding-right: var(--section-padding-x);
}

/* ─────────────────────────────────────────────
   UTILITY — 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;
}

/* ─────────────────────────────────────────────
   UTILITY — Text Helpers
   ───────────────────────────────────────────── */
.text-center {
  text-align: center;
}

.text-gold {
  color: var(--gold-500);
}

.text-gradient-gold {
  background: var(--gradient-gold-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─────────────────────────────────────────────
   RESPONSIVE — Mobile-first Adjustments
   ───────────────────────────────────────────── */
@media (max-width: 767px) {
  html {
    font-size: 15px;
    scroll-padding-top: 64px;
  }

  body {
    line-height: var(--lh-normal);
  }

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

@media (min-width: 768px) and (max-width: 1199px) {
  html {
    font-size: 15.5px;
  }
}

@media (min-width: 1200px) {
  html {
    font-size: 16px;
  }
}

/* ─────────────────────────────────────────────
   PRINT STYLES
   ───────────────────────────────────────────── */
@media print {
  *,
  *::before,
  *::after {
    background: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }

  body {
    font-size: 12pt;
    line-height: 1.5;
  }

  a,
  a:visited {
    text-decoration: underline;
  }

  img {
    max-width: 100% !important;
    page-break-inside: avoid;
  }

  h2, h3 {
    page-break-after: avoid;
  }
}