/* ===========================================================
   🎨 Main Stylesheet - المعهد التكنولوجي الدولي
   Premium Design System v3.0
   =========================================================== */

/* ======================= Design Tokens ======================= */
:root {
    /* ──── Brand Colors (New Identity) ──── */
    --primary:          #DC2626;   /* Institute Red (Softer) */
    --primary-dark:     #B91C1C;
    --primary-light:    #EF4444;
    --primary-xlight:   #FCE8E8;

    --accent:           #DF7623;   /* Bright Orange */
    --accent-dark:      #B14C11;
    --accent-light:     #EFA15A;
    --accent-xlight:    #FDF1E8;
    
    --secondary:        #EAA522;   /* Mustard/Gold */
    --secondary-dark:   #C87A1D;

    /* ──── Semantic Colors ──── */
    --success:          #22c55e;
    --success-light:    #dcfce7;
    --warning:          #f59e0b;
    --warning-light:    #fef3c7;
    --danger:           #ef4444;
    --danger-light:     #fee2e2;
    --info:             #3b82f6;
    --info-light:       #eff6ff;

    /* ──── Neutral Palette ──── */
    --gray-50:   #f8fafc;
    --gray-100:  #f1f5f9;
    --gray-200:  #e2e8f0;
    --gray-300:  #cbd5e1;
    --gray-400:  #94a3b8;
    --gray-500:  #64748b;
    --gray-600:  #475569;
    --gray-700:  #334155;
    --gray-800:  #1e293b;
    --gray-900:  #0f172a;
    --white:     #ffffff;
    --black:     #000000;

    /* ──── Dark Mode ──── */
    --dark-bg:          #0d1117;
    --dark-surface:     #161b22;
    --dark-card:        #1c2330;
    --dark-border:      #30363d;
    --dark-text:        #e6edf3;
    --dark-text-muted:  #8b949e;

    /* ──── Gradients ──── */
    --gradient-primary:    linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    --gradient-accent:     linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    --gradient-brand:      linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    --gradient-brand-rev:  linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 100%);
    --gradient-secondary:  linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    --gradient-dark:       linear-gradient(135deg, #1e293b 0%, #334155 100%);
    --gradient-hero:       linear-gradient(135deg, rgba(234, 165, 34, 0.9) 0%, rgba(200, 122, 29, 0.9) 100%);
    --gradient-glass:      linear-gradient(135deg, rgba(255,255,255,0.15), rgba(255,255,255,0.05));

    /* ──── Shadows ──── */
    --shadow-xs:   0 1px 3px rgba(0,0,0,0.08);
    --shadow-sm:   0 2px 8px rgba(0,0,0,0.10);
    --shadow:      0 4px 16px rgba(0,0,0,0.10);
    --shadow-md:   0 8px 24px rgba(0,0,0,0.12);
    --shadow-lg:   0 16px 40px rgba(0,0,0,0.15);
    --shadow-xl:   0 24px 60px rgba(0,0,0,0.20);
    --shadow-blue: 0 8px 24px rgba(223, 118, 35, 0.25);
    --shadow-orange: 0 8px 24px rgba(177, 76, 17, 0.25);
    --shadow-inset: inset 0 2px 4px rgba(0,0,0,0.06);

    /* ──── Layout ──── */
    --radius-sm:   6px;
    --radius:      12px;
    --radius-lg:   20px;
    --radius-xl:   30px;
    --radius-full: 9999px;
    --container:   1280px;
    --header-h:    80px;
    --transition:  all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.5s ease;

    /* ──── Legacy Compat (for pages using old vars) ──── */
    --primary-color:   var(--primary);
    --accent-color:    var(--accent);
    --primary-blue:    var(--primary);
    --accent-orange:   var(--accent);
    --accent-green:    var(--accent);   /* was mis-named but was orange */
    --dark-gray:       var(--gray-800);
    --text-gray:       var(--gray-500);
    --light-gray:      var(--gray-100);
    --border-radius:   var(--radius);
    --shadow-hover:    var(--shadow-md);
    --shadow-large:    var(--shadow-lg);
    --gradient-accent-orange: var(--gradient-accent);
}

/* ──── Dark Mode Overrides ──── */
[data-theme="dark"] {
    --white:       var(--dark-bg);
    --black:       var(--dark-text);
    --gray-50:     var(--dark-surface);
    --gray-100:    var(--dark-card);
    --gray-200:    var(--dark-border);
    --gray-800:    var(--dark-text);
    --dark-gray:   var(--dark-text);
    --text-gray:   var(--dark-text-muted);
    --light-gray:  var(--dark-surface);
    --shadow:      0 4px 16px rgba(0,0,0,0.40);
    --shadow-md:   0 8px 24px rgba(0,0,0,0.50);
    --shadow-lg:   0 16px 40px rgba(0,0,0,0.60);
    --shadow-blue: 0 8px 24px rgba(255,123,0,0.40);
}

/* ======================= Reset & Base ======================= */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Cairo', sans-serif;
    line-height: 1.7;
    color: var(--gray-800);
    background-color: var(--white);
    direction: rtl;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

[data-theme="dark"] body {
    color: var(--dark-text);
    background-color: var(--dark-bg);
}

/* ======================= Typography ======================= */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--primary);
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6 {
    color: var(--dark-text);
}

h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p { margin-bottom: 1rem; line-height: 1.8; }

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

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

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

/* ======================= Layout ======================= */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

.section { padding: 90px 0; }

/* ======================= Section Headers ======================= */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    position: relative;
    display: inline-block;
    margin-bottom: 16px;
    padding-bottom: 20px;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 50%;
    transform: translateX(50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-brand);
    border-radius: var(--radius-full);
}

.section-header p {
    color: var(--gray-500);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

[data-theme="dark"] .section-header p { color: var(--dark-text-muted); }

/* ======================= Top Bar ======================= */
.top-bar {
    background: var(--gradient-dark);
    color: var(--white);
    padding: 10px 0;
    font-size: 0.875rem;
    position: relative;
    z-index: 1001;
}

[data-theme="dark"] .top-bar {
    background: linear-gradient(135deg, #0d1117, #1c2330);
    border-bottom: 1px solid var(--dark-border);
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.contact-info {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.contact-info span {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.85);
    transition: var(--transition);
}

.contact-info span:hover { color: var(--accent-light); }

.contact-info i { color: var(--accent); font-size: 0.85rem; }

.social-media-top { display: flex; gap: 10px; align-items: center; }

.social-media-top a {
    color: rgba(255,255,255,0.75);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.2);
    transition: var(--transition);
    font-size: 0.85rem;
}

.social-media-top a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-orange);
}

/* ============================================================
   HEADER & NAVIGATION
   ============================================================ */
.main-header, .header {
    background: rgba(255, 255, 255, 0.97);
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,123,0,0.06);
}

[data-theme="dark"] .main-header,
[data-theme="dark"] .header {
    background: rgba(22, 27, 34, 0.97);
    border-bottom: 1px solid var(--dark-border);
    box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.main-header.scrolled, .header.scrolled {
    padding: 12px 0;
    box-shadow: var(--shadow-md);
}

.main-header .container,
.header .container { display: flex; align-items: center; }

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    gap: 24px;
}

/* ── Logo ── */
.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    flex-shrink: 0;
    transition: var(--transition);
    min-width: 180px;
}

.logo:hover { transform: translateY(-2px); }

.logo img {
    height: 54px;
    width: 54px;
    border-radius: 50%;
    object-fit: cover;
    border: 2.5px solid var(--primary);
    box-shadow: 0 4px 14px rgba(255,123,0,0.2);
    transition: var(--transition);
}

.logo:hover img {
    box-shadow: 0 6px 20px rgba(255,123,0,0.35);
    transform: scale(1.05);
}

.logo-text { display: flex; flex-direction: column; }

.logo-text h1, .logo h1 {
    font-size: 1.35rem;
    margin: 0;
    color: var(--primary);
    font-weight: 800;
    line-height: 1.2;
    white-space: nowrap;
}

.logo-text p, .logo p {
    font-size: 0.8rem;
    margin: 0;
    color: var(--accent);
    font-weight: 600;
    white-space: nowrap;
}

/* ── Navigation ── */
.main-nav, .nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-container {
    display: flex;
    justify-content: center;
    width: 100%;
    max-width: 650px;
}

.main-nav ul, .nav ul {
    display: flex;
    list-style: none;
    gap: 4px;
    margin: 0;
    padding: 0;
    align-items: center;
    flex-wrap: nowrap;
    justify-content: center;
    width: 100%;
}

.main-nav li, nav li {
    position: relative;
    flex: 1;
    text-align: center;
    min-width: 0;
}

.main-nav a, .nav a {
    color: var(--gray-700);
    font-weight: 600;
    padding: 9px 14px;
    border-radius: var(--radius-full);
    transition: var(--transition);
    text-decoration: none;
    display: block;
    font-size: 0.9rem;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.main-nav a::before, .nav a::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-brand);
    border-radius: var(--radius-full);
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.main-nav a:hover,
.main-nav a.active,
.nav a:hover,
.nav a.active {
    color: var(--white) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-blue);
}

.main-nav a:hover::before,
.main-nav a.active::before,
.nav a:hover::before,
.nav a.active::before {
    opacity: 1;
}

[data-theme="dark"] .main-nav a,
[data-theme="dark"] .nav a {
    color: var(--dark-text-muted);
}

[data-theme="dark"] .main-nav a:hover,
[data-theme="dark"] .main-nav a.active,
[data-theme="dark"] .nav a:hover,
[data-theme="dark"] .nav a.active {
    color: var(--white) !important;
}

/* ── Dropdown ── */
.dropdown { position: relative; }

.dropdown-toggle .fa-chevron-down {
    font-size: 0.65rem;
    margin-right: 4px;
    transition: transform 0.3s ease;
}

.dropdown:hover .fa-chevron-down { transform: rotate(180deg); }

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--white);
    min-width: 210px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--transition);
    z-index: 1000;
    border: 1px solid var(--gray-200);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 16px;
    color: var(--gray-700);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    transition: var(--transition);
    background: transparent;
}

.dropdown-menu a::before { display: none; }

.dropdown-menu a:hover {
    background: var(--primary-xlight);
    color: var(--primary);
    transform: translateX(-4px);
    box-shadow: none;
}

[data-theme="dark"] .dropdown-menu {
    background: var(--dark-card);
    border-color: var(--dark-border);
}

[data-theme="dark"] .dropdown-menu a { color: var(--dark-text-muted); }

[data-theme="dark"] .dropdown-menu a:hover {
    background: rgba(255,123,0,0.15);
    color: var(--primary-light);
}

/* ── Header Actions ── */
.header-actions, .auth-buttons {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 10001;
    flex-shrink: 0;
    min-width: 220px;
    justify-content: flex-end;
}

.nav-tools {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ── Header Icon Buttons ── */
.search-btn, .lang-btn, .theme-toggle {
    background: var(--primary-xlight);
    border: none;
    font-size: 1rem;
    color: var(--primary);
    cursor: pointer;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.search-btn:hover, .lang-btn:hover, .theme-toggle:hover {
    background: var(--primary);
    color: var(--white);
    transform: scale(1.1) rotate(10deg);
    box-shadow: var(--shadow-blue);
}

[data-theme="dark"] .search-btn,
[data-theme="dark"] .lang-btn,
[data-theme="dark"] .theme-toggle {
    background: rgba(255,123,0,0.2);
    color: var(--primary-light);
}

/* ── CTA Button ── */
.cta-btn, .btn-primary {
    background: var(--gradient-brand);
    color: var(--white) !important;
    padding: 11px 22px;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    font-family: 'Cairo', sans-serif;
    box-shadow: var(--shadow-blue);
    white-space: nowrap;
}

.cta-btn::after, .btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.cta-btn:hover::after, .btn-primary:hover::after {
    transform: translateX(100%);
}

.cta-btn:hover, .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(255,123,0,0.35);
    color: var(--white) !important;
}

/* ── Auth Links (top bar) ── */
.top-actions, .user-menu { display: flex; align-items: center; gap: 12px; }
.welcome-text { color: var(--white); font-weight: 600; font-size: 0.9rem; }

.btn-dashboard {
    background: var(--accent);
    color: var(--white);
    padding: 7px 16px;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 700;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: var(--shadow-orange);
}

.btn-dashboard:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    color: var(--white);
}

.auth-links { display: flex; gap: 10px; }

.login-link, .register-link {
    color: var(--white);
    text-decoration: none;
    padding: 7px 16px;
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    white-space: nowrap;
}

.login-link {
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.25);
}

.login-link:hover {
    background: rgba(255,255,255,0.25);
    color: var(--white);
}

.register-link {
    background: var(--accent);
    box-shadow: var(--shadow-orange);
}

.register-link:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    color: var(--white);
}

/* ── Mobile Menu Toggle ── */
.menu-toggle, .mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 42px;
    height: 42px;
    background: var(--primary-xlight);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    gap: 5px;
    z-index: 10001;
}

.hamburger-line, .mobile-menu-btn span {
    width: 22px;
    height: 2.5px;
    background: var(--primary);
    border-radius: 4px;
    transition: var(--transition);
    transform-origin: center;
}

.menu-toggle:hover, .mobile-menu-btn:hover {
    background: var(--primary);
}

.menu-toggle:hover .hamburger-line,
.mobile-menu-btn:hover span {
    background: var(--white);
}

.menu-toggle.active .hamburger-line:nth-child(1),
.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active .hamburger-line:nth-child(2),
.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active .hamburger-line:nth-child(3),
.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-family: 'Cairo', sans-serif;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 0.95rem;
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transform: translateX(-100%);
    transition: transform 0.55s ease;
}

.btn:hover::after { transform: translateX(100%); }

.btn-primary {
    background: var(--gradient-brand);
    color: var(--white) !important;
    border-color: transparent;
    box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(255,123,0,0.35);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: var(--white) !important;
    transform: translateY(-3px);
    box-shadow: var(--shadow-blue);
}

.btn-accent {
    background: var(--gradient-accent);
    color: var(--white) !important;
    border-color: transparent;
    box-shadow: var(--shadow-orange);
}

.btn-accent:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(255,123,0,0.35);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.7);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--primary) !important;
    border-color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255,255,255,0.3);
}

.btn-ghost {
    background: rgba(255,123,0,0.08);
    color: var(--primary);
    border-color: transparent;
}

.btn-ghost:hover {
    background: var(--primary);
    color: var(--white) !important;
    transform: translateY(-3px);
}

.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-lg { padding: 15px 36px; font-size: 1.05rem; }

/* ============================================================
   FORMS
   ============================================================ */
.form-group { margin-bottom: 20px; position: relative; }

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.9rem;
}

[data-theme="dark"] .form-group label { color: var(--dark-text-muted); }

.form-control {
    width: 100%;
    padding: 13px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-family: 'Cairo', sans-serif;
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--white);
    color: var(--gray-800);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(255,123,0,0.1);
    background: var(--white);
}

.form-control:hover { border-color: var(--gray-400); }

[data-theme="dark"] .form-control {
    background: var(--dark-surface);
    border-color: var(--dark-border);
    color: var(--dark-text);
}

[data-theme="dark"] .form-control:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 4px rgba(255,123,0,0.2);
}

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

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group i.input-icon {
    position: absolute;
    right: 15px;
    color: var(--gray-400);
    z-index: 2;
    transition: var(--transition);
    pointer-events: none;
}

.input-group input:focus ~ i.input-icon,
.input-group input:focus + i.input-icon { color: var(--primary); }

.input-group input, .input-group select {
    width: 100%;
    padding: 13px 46px 13px 15px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--white);
    font-family: 'Cairo', sans-serif;
    color: var(--gray-800);
    outline: none;
}

.input-group input:focus, .input-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(255,123,0,0.1);
}

/* Form row */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255,123,0,0.15);
}

.card-header {
    padding: 22px 24px;
    background: var(--gradient-brand);
    color: var(--white);
}

.card-header h2, .card-header h3, .card-header h4 {
    color: var(--white);
    margin: 0;
}

.card-body { padding: 24px; }

.card-footer {
    padding: 16px 24px;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

[data-theme="dark"] .card {
    background: var(--dark-card);
    border-color: var(--dark-border);
}

[data-theme="dark"] .card:hover {
    border-color: rgba(255,123,0,0.3);
}

[data-theme="dark"] .card-footer {
    background: var(--dark-surface);
    border-color: var(--dark-border);
}

/* Premium Card */
.premium-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    overflow: hidden;
}

.premium-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

[data-theme="dark"] .premium-card {
    background: var(--dark-card);
    border-color: var(--dark-border);
}

/* ============================================================
   HERO SLIDER
   ============================================================ */
.hero-slider {
    position: relative;
    height: 100vh;
    min-height: 620px;
    overflow: hidden;
}

.slider-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    visibility: hidden;
    transition: all 0.9s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

.slide-overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    z-index: 1;
}

.slide-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    max-width: 820px;
    padding: 0 24px;
    animation: slideInUp 0.9s ease-out;
}

.slide-title {
    font-size: clamp(2rem, 5vw, 3.75rem);
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--white);
    text-shadow: 0 2px 12px rgba(0,0,0,0.35);
    line-height: 1.2;
}

.slide-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    margin-bottom: 36px;
    color: rgba(255,255,255,0.92);
    text-shadow: 0 1px 6px rgba(0,0,0,0.25);
    line-height: 1.7;
}

.slide-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.slide-actions .btn {
    padding: 14px 32px;
    font-size: 1rem;
    min-width: 180px;
    text-align: center;
}

/* Slider Buttons */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.18);
    border: 2px solid rgba(255,255,255,0.45);
    color: var(--white);
    width: 58px;
    height: 58px;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-orange);
}

.prev-btn { right: 28px; }
.next-btn { left: 28px; }

/* Slider Dots */
.slider-dots {
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.dot.active, .dot:hover {
    background: var(--white);
    border-color: var(--accent);
    transform: scale(1.3);
    box-shadow: 0 0 12px rgba(255,255,255,0.5);
}

/* Progress Bar */
.slider-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(255,255,255,0.15);
    z-index: 10;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-accent);
    width: 0;
    transition: width 0.1s linear;
    box-shadow: 0 0 10px rgba(255,123,0,0.6);
}

/* Hero Stats Bar */
.hero-stats {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(0,0,0,0.75);
    backdrop-filter: blur(12px);
    z-index: 5;
    padding: 20px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.hero-stats .stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
}

.stat-item { text-align: center; color: var(--white); }

.stat-number {
    display: block;
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 4px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.stat-label {
    font-size: 1rem;
    font-weight: 600;
    color: rgba(255,255,255,0.85);
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 110px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    text-align: center;
    z-index: 10;
    animation: bounce 2.5s infinite;
}

.scroll-indicator a {
    color: var(--white);
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    transition: var(--transition);
    opacity: 0.8;
}

.scroll-indicator a:hover { color: var(--accent); opacity: 1; }

.scroll-indicator i { font-size: 1.75rem; }
.scroll-indicator span { font-size: 0.8rem; }

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about-section {
    padding: 90px 0;
    background: var(--gray-50);
}

[data-theme="dark"] .about-section { background: var(--dark-surface); }

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition-slow);
}

.about-image:hover img { transform: scale(1.04); }

.about-text h3 {
    color: var(--primary);
    margin-bottom: 14px;
    font-size: 1.5rem;
}

.about-text p {
    color: var(--gray-600);
    line-height: 1.9;
    margin-bottom: 28px;
}

[data-theme="dark"] .about-text p { color: var(--dark-text-muted); }

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 28px;
    margin-top: 40px;
}

.feature-item {
    background: var(--white);
    padding: 32px 22px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-brand);
    transform: scaleX(0);
    transition: transform 0.4s ease;
    transform-origin: right;
}

.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255,123,0,0.15);
}

.feature-item:hover::before { transform: scaleX(1); transform-origin: left; }

[data-theme="dark"] .feature-item {
    background: var(--dark-card);
    border-color: var(--dark-border);
}

.feature-item i {
    font-size: 2.75rem;
    color: var(--accent);
    margin-bottom: 18px;
    display: block;
    transition: var(--transition);
}

.feature-item:hover i { transform: scale(1.15) rotate(-5deg); }

.feature-item h4 {
    color: var(--primary);
    margin-bottom: 12px;
    font-size: 1.15rem;
}

.feature-item p {
    color: var(--gray-500);
    margin: 0;
    line-height: 1.6;
    font-size: 0.9rem;
}

/* ============================================================
   PROGRAMS SECTION
   ============================================================ */
.programs-section {
    padding: 90px 0;
    background: var(--white);
}

[data-theme="dark"] .programs-section { background: var(--dark-bg); }

.programs-filter {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 26px;
    background: transparent;
    border: 2px solid var(--gray-300);
    color: var(--gray-600);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    font-family: 'Cairo', sans-serif;
    font-size: 0.9rem;
}

.filter-btn:hover { border-color: var(--primary); color: var(--primary); }

.filter-btn.active {
    background: var(--gradient-brand);
    color: var(--white);
    border-color: transparent;
    box-shadow: var(--shadow-blue);
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
    margin-bottom: 48px;
}

.program-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

.program-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255,123,0,0.15);
}

[data-theme="dark"] .program-card {
    background: var(--dark-card);
    border-color: var(--dark-border);
}

/* ============================================================
   NEWS SECTION
   ============================================================ */
.news-section {
    padding: 90px 0;
    background: var(--gray-50);
}

[data-theme="dark"] .news-section { background: var(--dark-surface); }

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact-section {
    padding: 90px 0;
    background: var(--white);
}

[data-theme="dark"] .contact-section { background: var(--dark-bg); }

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px;
    background: var(--gray-50);
    border-radius: var(--radius);
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

.contact-item:hover {
    background: var(--primary-xlight);
    border-color: rgba(255,123,0,0.2);
    transform: translateX(-4px);
}

[data-theme="dark"] .contact-item {
    background: var(--dark-surface);
    border-color: var(--dark-border);
}

.contact-item i {
    font-size: 1.75rem;
    color: var(--accent);
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-xlight);
    border-radius: 50%;
    flex-shrink: 0;
    transition: var(--transition);
}

.contact-item:hover i {
    background: var(--accent);
    color: var(--white);
    transform: scale(1.1);
}

.contact-item h4 { margin: 0 0 6px 0; color: var(--primary); font-size: 1rem; }

.contact-item p { margin: 0; color: var(--gray-500); font-size: 0.9rem; }

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
    background: var(--white);
    padding: 36px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
}

[data-theme="dark"] .contact-form {
    background: var(--dark-card);
    border-color: var(--dark-border);
}

/* ============================================================
   SEARCH MODAL
   ============================================================ */
.search-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.search-modal.show { opacity: 1; visibility: visible; }

.search-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(6px);
}

.search-content {
    position: absolute;
    top: 15%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    width: 90%;
    max-width: 620px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

[data-theme="dark"] .search-content { background: var(--dark-card); }

.search-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: var(--gradient-brand);
    color: var(--white);
}

.search-header h3 { margin: 0; color: var(--white); font-size: 1.1rem; }

.close-search {
    background: rgba(255,255,255,0.2);
    border: none;
    color: var(--white);
    font-size: 1.1rem;
    cursor: pointer;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.close-search:hover { background: rgba(255,255,255,0.35); transform: rotate(90deg); }

.search-form {
    padding: 20px 24px;
    display: flex;
    gap: 12px;
}

.search-form input {
    flex: 1;
    padding: 13px 18px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: 'Cairo', sans-serif;
    color: var(--gray-800);
    outline: none;
    transition: var(--transition);
}

.search-form input:focus { border-color: var(--primary); }

.search-form button {
    padding: 13px 22px;
    background: var(--gradient-brand);
    color: var(--white);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 700;
    font-family: 'Cairo', sans-serif;
}

.search-form button:hover { transform: scale(1.05); box-shadow: var(--shadow-blue); }

.search-results {
    max-height: 400px;
    overflow-y: auto;
    padding: 20px 24px;
    border-top: 1px solid var(--gray-200);
}

/* ============================================================
   FOOTER
   ============================================================ */
.main-footer {
    background: var(--gradient-dark);
    color: var(--white);
    padding: 60px 0 24px;
    margin-top: 60px;
    position: relative;
    overflow: hidden;
}

.main-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-brand);
}

[data-theme="dark"] .main-footer {
    background: linear-gradient(135deg, #0d1117, #1c2330);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.1rem;
    position: relative;
    padding-bottom: 12px;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 36px;
    height: 3px;
    background: var(--accent);
    border-radius: var(--radius-full);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 18px;
}

.footer-logo img {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.2);
}

.footer-logo h3 { color: var(--white); margin: 0; font-size: 1.1rem; }

.footer-section p {
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.footer-section ul { list-style: none; padding: 0; margin: 0; }

.footer-section ul li { margin-bottom: 10px; }

.footer-section ul li a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-section ul li a::before {
    content: '←';
    font-size: 0.75rem;
    opacity: 0;
    transform: translateX(6px);
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--accent);
    padding-right: 6px;
}

.footer-section ul li a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.contact-details p {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
    color: rgba(255,255,255,0.75);
    font-size: 0.9rem;
}

.contact-details i {
    color: var(--accent);
    width: 20px;
    margin-top: 3px;
    flex-shrink: 0;
}

.social-media {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.social-media a {
    width: 42px;
    height: 42px;
    background: rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
    text-decoration: none;
    border: 1px solid rgba(255,255,255,0.15);
    font-size: 1rem;
}

.social-media a:hover {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
    transform: translateY(-4px) scale(1.1);
    box-shadow: var(--shadow-orange);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    margin: 4px 0;
    color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes slideInUp {
    from { opacity: 0; transform: translateY(50px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-30px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40%  { transform: translateX(-50%) translateY(-14px); }
    60%  { transform: translateX(-50%) translateY(-7px); }
}

@keyframes pulse {
    0%   { box-shadow: 0 0 0 0 rgba(255,123,0,0.4); }
    70%  { box-shadow: 0 0 0 12px rgba(255,123,0,0); }
    100% { box-shadow: 0 0 0 0 rgba(255,123,0,0); }
}

@keyframes shimmer {
    0%   { background-position: 100% 0; }
    100% { background-position: -100% 0; }
}

@keyframes spin { to { transform: rotate(360deg); } }

@keyframes patternMove {
    0%   { background-position: 0 0; }
    100% { background-position: 1000px 1000px; }
}

@keyframes rotate {
    0%   { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes ripple {
    0%   { transform: scale(0,0); opacity: 0.5; }
    100% { transform: scale(20,20); opacity: 0; }
}

@keyframes blink {
    0%, 100% { opacity: 1; transform: translateY(0); }
    50%       { opacity: 0.5; transform: translateY(3px); }
}

@keyframes toastSlideIn {
    from { transform: translateX(120%); opacity: 0; }
    to   { transform: translateX(0); opacity: 1; }
}

@keyframes toastSlideOut {
    to { transform: translateX(120%); opacity: 0; }
}

@keyframes skeleton-loading {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-logo {
    0%, 100% { transform: scale(1); filter: drop-shadow(0 0 15px rgba(255,123,0,0.2)); }
    50%       { transform: scale(1.05); filter: drop-shadow(0 0 25px rgba(255,123,0,0.4)); }
}

/* Utility animation classes */
.animate-fade-in    { animation: fadeIn 0.8s ease-out both; }
.animate-slide-in   { animation: slideIn 0.6s ease-out both; }
.animate-slide-up   { animation: slideInUp 0.7s ease-out both; }

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.active { opacity: 1; transform: translateY(0); }

/* ============================================================
   UTILITY CLASSES
   ============================================================ */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-left   { text-align: left; }
.text-primary { color: var(--primary) !important; }
.text-accent  { color: var(--accent) !important; }
.text-muted   { color: var(--gray-500) !important; }
.text-white   { color: var(--white) !important; }

.bg-primary  { background: var(--gradient-primary) !important; }
.bg-accent   { background: var(--gradient-accent) !important; }
.bg-light    { background: var(--gray-50) !important; }
.bg-dark     { background: var(--gradient-dark) !important; }
.bg-brand    { background: var(--gradient-brand) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.5rem !important; }
.mb-2 { margin-bottom: 1rem !important; }
.mb-3 { margin-bottom: 1.5rem !important; }
.mb-4 { margin-bottom: 2rem !important; }
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 0.5rem !important; }
.mt-2 { margin-top: 1rem !important; }
.mt-3 { margin-top: 1.5rem !important; }
.mt-4 { margin-top: 2rem !important; }

.hidden  { display: none !important; }
.visible { display: block !important; }

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 700;
    white-space: nowrap;
    gap: 5px;
}

.badge-primary { background: var(--primary-xlight); color: var(--primary); }
.badge-accent  { background: var(--accent-xlight);  color: var(--accent); }
.badge-success { background: var(--success-light);   color: #15803d; }
.badge-warning { background: var(--warning-light);   color: #b45309; }
.badge-danger  { background: var(--danger-light);    color: #b91c1c; }
.badge-info    { background: var(--info-light);      color: #1d4ed8; }

/* Alert / Status Bars */
.alert {
    padding: 14px 20px;
    border-radius: var(--radius);
    margin-bottom: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid transparent;
}

.alert-success { background: var(--success-light); color: #15803d; border-color: #bbf7d0; }
.alert-danger  { background: var(--danger-light);  color: #b91c1c; border-color: #fecaca; }
.alert-warning { background: var(--warning-light); color: #b45309; border-color: #fde68a; }
.alert-info    { background: var(--info-light);    color: #1d4ed8; border-color: #bfdbfe; }

/* Skeleton */
.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-sm);
    color: transparent !important;
    pointer-events: none;
}

[data-theme="dark"] .skeleton {
    background: linear-gradient(90deg, var(--dark-border) 25%, var(--dark-surface) 50%, var(--dark-border) 75%);
    background-size: 200% 100%;
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary), var(--accent));
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--primary-dark); }

/* ============================================================
   RESPONSIVE - TABLET
   ============================================================ */
@media (max-width: 1200px) {
    :root { --container: 100%; }
    .slide-title { font-size: 3rem; }
    /* إخفاء الـ nav على الشاشات الأصغر من 1200px */
    .main-nav, .nav { display: none; }
    .menu-toggle, .mobile-menu-btn { display: flex !important; }
    /* إخفاء أزرار الـ header الكبيرة */
    .header-actions .cta-btn,
    .header-actions .btn-primary,
    .header-actions .btn-outline,
    .header-actions .btn-secondary { display: none; }
}

@media (max-width: 992px) {
    .container { padding: 0 18px; }
    .section, .about-section, .programs-section, .news-section, .contact-section { padding: 70px 0; }
    .about-content { grid-template-columns: 1fr; gap: 40px; }
    .contact-content { grid-template-columns: 1fr; gap: 40px; }
    .hero-slider { height: 80vh; min-height: 520px; }
    .slide-title { font-size: 2.5rem; }
    .slide-actions { flex-direction: column; align-items: center; }
    .slide-actions .btn { min-width: 260px; }
    .programs-grid { grid-template-columns: repeat(2, 1fr); }
    .news-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-content { grid-template-columns: repeat(2, 1fr); gap: 30px; }
    .form-row { grid-template-columns: 1fr; gap: 16px; }
    .hero-stats .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   RESPONSIVE - MOBILE
   ============================================================ */
@media (max-width: 768px) {
    .menu-toggle, .mobile-menu-btn { display: flex; }
    .nav-tools { display: none; }
    /* إزالة min-width الثابتة التي تسبب overflow */
    .auth-buttons { min-width: auto; }
    .header-actions { min-width: auto !important; gap: 8px; }
    .logo {
        min-width: auto !important;
        gap: 8px;
    }
    .logo img {
        height: 40px;
        width: 40px;
    }
    .logo-text h1, .logo h1 {
        font-size: 1rem;
    }
    .logo-text p, .logo p {
        display: none;
    }

    /* Full screen mobile nav */
    .main-nav, .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: min(340px, 90vw);
        height: 100vh;
        background: var(--white);
        transition: right 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        z-index: 9999;
        padding: 90px 0 40px;
        overflow-y: auto;
        box-shadow: -6px 0 30px rgba(0,0,0,0.15);
        flex-direction: column;
        justify-content: flex-start;
    }

    [data-theme="dark"] .main-nav,
    [data-theme="dark"] .nav {
        background: var(--dark-surface);
    }

    .main-nav.show, .nav.show {
        right: 0;
    }

    .main-nav ul, .nav ul {
        flex-direction: column;
        padding: 0 20px;
        gap: 6px;
        width: 100%;
        max-width: 100%;
    }

    .main-nav li, nav li { width: 100%; flex: none; text-align: right; }

    .main-nav a, .nav a {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 16px 22px;
        border-radius: var(--radius);
        font-size: 1.05rem;
        background: var(--gray-50);
        margin-bottom: 4px;
        border: 1px solid var(--gray-200);
        width: 100%;
        white-space: normal;
        text-align: right;
    }

    [data-theme="dark"] .main-nav a,
    [data-theme="dark"] .nav a {
        background: var(--dark-card);
        border-color: var(--dark-border);
    }

    .main-nav a:hover,
    .main-nav a.active,
    .nav a:hover,
    .nav a.active {
        transform: scale(1.02);
    }

    /* Mobile dropdown */
    .dropdown-menu {
        position: static;
        width: 100%;
        margin-top: 6px;
        border-radius: var(--radius);
        max-height: 0;
        overflow: hidden;
        transition: all 0.3s ease;
        opacity: 0;
        box-shadow: none;
    }

    .dropdown.mobile-open .dropdown-menu {
        max-height: 300px;
        opacity: 1;
    }

    /* Hero responsive */
    .hero-slider { height: 70vh; min-height: 460px; }
    .slide-title { font-size: 2rem; }
    .slide-subtitle { font-size: 0.95rem; }
    .slider-btn { width: 46px; height: 46px; font-size: 1rem; }
    .prev-btn { right: 16px; }
    .next-btn { left: 16px; }
    .hero-stats .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }

    /* Section header */
    .section-header h2 { font-size: 1.6rem; }
    .top-bar .container { flex-direction: column; gap: 10px; text-align: center; }
    .contact-info { justify-content: center; }
    .auth-links { flex-wrap: wrap; justify-content: center; }
}

@media (max-width: 576px) {
    .container { padding: 0 16px; }
    .hero-slider { height: 65vh; min-height: 420px; }
    .slide-title { font-size: 1.7rem; }
    .slide-actions .btn { min-width: 200px; }
    .programs-grid { grid-template-columns: 1fr; }
    .news-grid { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; gap: 24px; }
    .hero-stats .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .slider-btn { width: 40px; height: 40px; }
    .features-grid { grid-template-columns: 1fr; }
    .contact-form { padding: 24px 18px; }
    .social-media { justify-content: center; }
    .contact-item { flex-direction: column; text-align: center; gap: 12px; }
}

/* ============================================================
   PRINT
   ============================================================ */
@media print {
    .top-bar, .main-header, .header,
    .main-footer, .hero-slider,
    .menu-toggle, .mobile-menu-btn,
    .search-modal, .theme-toggle { display: none !important; }

    body { color: var(--black); background: var(--white); }
    .container { max-width: 100%; padding: 0; }
    .card { box-shadow: none; border: 1px solid var(--gray-300); }
}