/* ======================================================
   MES Future Academy — Main Stylesheet
   Clean White + Royal Blue + Gold School Theme
   ====================================================== */

/* ── Variables ──────────────────────────────────────── */
:root {
    --bg-deep:      #f0f4f8;
    --bg-primary:   #ffffff;
    --bg-secondary: #f5f7fa;
    --bg-card:      #ffffff;
    --bg-card-hover:#eef3ff;

    --accent-blue:  #2563eb;
    --accent-cyan:  #0284c7;
    --accent-gold:  #d97706;
    --accent-purple:#6d28d9;

    --text-primary:   #111827;
    --text-secondary: #4b5563;
    --text-muted:     #9ca3af;

    --border:       rgba(37, 99, 235, 0.15);
    --border-light: rgba(0,0,0,0.08);

    --glow-blue:    0 4px 24px rgba(37, 99, 235, 0.13);
    --glow-gold:    0 4px 16px rgba(217, 119, 6, 0.18);

    --radius-sm:  8px;
    --radius:     14px;
    --radius-lg:  22px;

    --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    --font:       'Inter', system-ui, -apple-system, sans-serif;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font);
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.65;
    min-height: 100vh;
    overflow-x: hidden;
}

a { color: var(--accent-blue); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-cyan); }

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

h1,h2,h3,h4,h5,h6 { line-height: 1.25; font-weight: 700; }

ul { list-style: none; }

/* ── Utility ────────────────────────────────────────── */
.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.section    { padding: 90px 0; }
.section-sm { padding: 55px 0; }

.text-gold    { color: var(--accent-gold); }
.text-blue    { color: var(--accent-blue); }
.text-muted   { color: var(--text-secondary); }
.text-center  { text-align: center; }
.text-sm      { font-size: 0.875rem; }

.mt-auto { margin-top: auto; }
.mb-2    { margin-bottom: 0.5rem; }
.mb-4    { margin-bottom: 1rem; }
.gap-2   { gap: 0.5rem; }

.badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.badge-blue   { background: rgba(37,99,235,0.1);   color: #1d4ed8;  border: 1px solid rgba(37,99,235,0.25); }
.badge-gold   { background: rgba(217,119,6,0.1);   color: #b45309;  border: 1px solid rgba(217,119,6,0.25); }
.badge-green  { background: rgba(5,150,105,0.1);   color: #047857;  border: 1px solid rgba(5,150,105,0.25); }
.badge-red    { background: rgba(220,38,38,0.1);   color: #dc2626;  border: 1px solid rgba(220,38,38,0.25); }
.badge-purple { background: rgba(109,40,217,0.1);  color: #6d28d9;  border: 1px solid rgba(109,40,217,0.25); }
.badge-gray   { background: rgba(0,0,0,0.05);      color: var(--text-secondary); border: 1px solid var(--border-light); }

/* ── Buttons ────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
    white-space: nowrap;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #fff;
    box-shadow: 0 4px 16px rgba(37,99,235,0.3);
}
.btn-primary:hover {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    box-shadow: 0 6px 24px rgba(37,99,235,0.4);
    transform: translateY(-1px);
    color: #fff;
}

.btn-gold {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
    box-shadow: 0 4px 16px rgba(217,119,6,0.3);
}
.btn-gold:hover {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    box-shadow: 0 6px 24px rgba(217,119,6,0.4);
    transform: translateY(-1px);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--accent-blue);
    border: 1.5px solid var(--accent-blue);
}
.btn-outline:hover {
    background: rgba(37,99,235,0.08);
    color: var(--accent-blue);
}

.btn-ghost {
    background: rgba(0,0,0,0.04);
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
}
.btn-ghost:hover {
    background: rgba(0,0,0,0.08);
    color: var(--text-primary);
}

.btn-danger {
    background: rgba(220,38,38,0.08);
    color: #dc2626;
    border: 1px solid rgba(220,38,38,0.25);
}
.btn-danger:hover { background: rgba(220,38,38,0.16); color: #dc2626; }

.btn-sm { padding: 7px 18px; font-size: 0.85rem; }
.btn-lg { padding: 16px 40px; font-size: 1.05rem; }

/* ── Navigation ─────────────────────────────────────── */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 12px rgba(37, 99, 235, 0.08);
    transition: all var(--transition);
}

.navbar-inner {
    display: flex;
    align-items: center;
    height: 68px;
    gap: 24px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.navbar-brand .brand-mes  { font-size: 1.5rem; font-weight: 900; color: var(--text-primary); }
.navbar-brand .brand-name { font-size: 1.0rem; font-weight: 700; color: var(--accent-gold); line-height: 1.1; }
.navbar-brand .brand-sub  { font-size: 0.68rem; color: var(--text-secondary); font-weight: 400; display: block; }

.navbar-logo-icon {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
}

.navbar-nav a {
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 500;
    transition: all var(--transition);
}
.navbar-nav a:hover,
.navbar-nav a.active {
    color: var(--accent-blue);
    background: rgba(37,99,235,0.08);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: 12px;
}

/* ── User menu (top-right) ──────────────────────────── */
.user-menu { position: relative; }
.user-menu-trigger{
    display:flex;
    align-items:center;
    gap:10px;
    padding:6px 10px 6px 6px;
    border-radius: 999px;
    border: 1px solid var(--border-light);
    background: rgba(255,255,255,0.92);
    cursor: pointer;
    transition: all var(--transition);
}
.user-menu-trigger:hover{
    border-color: rgba(37,99,235,0.25);
    box-shadow: 0 8px 24px rgba(37,99,235,0.10);
    transform: translateY(-1px);
}
.user-avatar{
    width: 34px;
    height: 34px;
    border-radius: 999px;
    object-fit: cover;
    display:block;
    border: 1px solid rgba(0,0,0,0.06);
    background: rgba(37,99,235,0.12);
}
.user-avatar-fallback{
    display:flex;
    align-items:center;
    justify-content:center;
    font-weight: 800;
    color: var(--accent-blue);
}
.user-menu-text{ display:flex; flex-direction:column; align-items:flex-start; line-height:1.1; }
.user-name{ font-size:0.86rem; font-weight:700; color: var(--text-primary); max-width: 170px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-email{ font-size:0.76rem; color: var(--text-muted); max-width: 170px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-caret{ color: var(--text-muted); font-size:0.8rem; padding-left:2px; }

.user-menu-dropdown{
    position:absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 190px;
    background: rgba(255,255,255,0.98);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: 0 18px 40px rgba(0,0,0,0.10);
    padding: 8px;
    display:none;
    z-index: 999;
}
.user-menu-dropdown a{
    display:block;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
}
.user-menu-dropdown a:hover{
    background: rgba(37,99,235,0.08);
    color: var(--accent-blue);
}
.user-menu:hover .user-menu-dropdown,
.user-menu:focus-within .user-menu-dropdown{
    display:block;
}

@media (max-width: 860px){
    .user-menu-text{ display:none; }
    .user-menu-trigger{ padding:6px; }
    .user-caret{ display:none; }
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    margin-left: auto;
}
.hamburger span {
    display: block;
    width: 24px; height: 2px;
    background: var(--text-secondary);
    border-radius: 2px;
    transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 14px 20px 20px;
    border-top: 1px solid var(--border);
    background: rgba(255,255,255,0.98);
}
.mobile-menu a {
    padding: 11px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-weight: 500;
    display: block;
}
.mobile-menu a:hover { color: var(--accent-blue); background: rgba(37,99,235,0.07); }
.mobile-menu.open { display: flex; }

/* ── Accordion ───────────────────────────────────────── */
.accordion { display:flex; flex-direction:column; gap:12px; }
.accordion-item{
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.9);
    overflow: hidden;
}
.accordion-trigger{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    padding: 14px 16px;
    background: transparent;
    border: none;
    cursor:pointer;
    font-weight: 700;
    color: var(--text-primary);
    text-align:left;
}
.accordion-trigger:hover{ background: rgba(37,99,235,0.06); }
.accordion-icon{
    width: 26px; height: 26px;
    border-radius: 999px;
    display:flex; align-items:center; justify-content:center;
    background: rgba(37,99,235,0.10);
    color: var(--accent-blue);
    flex-shrink:0;
    font-weight: 900;
}
.accordion-panel{ display:none; padding: 0 16px 16px; }
.accordion-item.open .accordion-panel{ display:block; }
.accordion-content{ color: var(--text-secondary); line-height:1.75; font-size:0.95rem; }

/* ── Hero ───────────────────────────────────────────── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 68px;
    background: radial-gradient(ellipse 80% 60% at 60% 40%, rgba(37,99,235,0.07) 0%, transparent 70%),
                radial-gradient(ellipse 60% 50% at 20% 80%, rgba(109,40,217,0.05) 0%, transparent 60%),
                #f8faff;
}

.hero-grid {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(37,99,235,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37,99,235,0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 14px;
    background: rgba(37,99,235,0.08);
    border: 1px solid rgba(37,99,235,0.22);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-blue);
    line-height: 1.15;
    letter-spacing: 0.01em;
    text-transform: none;
    margin-bottom: 24px;
    white-space: nowrap;
}

.hero-title {
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 22px;
}
.hero-title .highlight {
    background: linear-gradient(135deg, #2563eb, #0284c7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    max-width: 480px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-stats {
    display: flex;
    gap: 30px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--border-light);
}
.hero-stat-num {
    font-size: 2rem;
    font-weight: 900;
    color: var(--accent-gold);
    display: block;
}
.hero-stat-label { font-size: 0.82rem; color: var(--text-secondary); }

/* ── Hero visual card ───────────────────────────────── */
.hero-visual { position: relative; }

.hero-card-main {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: 0 8px 40px rgba(37,99,235,0.12), 0 2px 8px rgba(0,0,0,0.06);
    position: relative;
    overflow: hidden;
}
.hero-card-main::before {
    content: '';
    position: absolute;
    top: -40px; right: -40px;
    width: 200px; height: 200px;
    background: radial-gradient(circle, rgba(37,99,235,0.08), transparent 70%);
    pointer-events: none;
}

.hero-badge-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.live-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    color: #22c55e;
}
.live-dot {
    width: 8px; height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.5; transform: scale(1.4); }
}

.hero-class-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.hero-class-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(37,99,235,0.03);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
    transition: all var(--transition);
}
.hero-class-item:hover { background: rgba(37,99,235,0.07); border-color: var(--border); }
.hero-class-icon {
    width: 36px; height: 36px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

/* ── Section headers ────────────────────────────────── */
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 {
    font-size: clamp(1.9rem, 4vw, 2.8rem);
    margin-bottom: 14px;
}
.section-header p { color: var(--text-secondary); font-size: 1.05rem; max-width: 560px; margin: 0 auto; }

/* ── Cards (general) ────────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all var(--transition);
}
.card:hover {
    border-color: rgba(37,99,235,0.3);
    box-shadow: 0 8px 32px rgba(37,99,235,0.12), 0 2px 8px rgba(0,0,0,0.06);
    transform: translateY(-3px);
}
.card-body { padding: 28px; }

/* ── Feature cards ──────────────────────────────────── */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
}

.feature-card { padding: 30px; }
.feature-icon {
    width: 54px; height: 54px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 18px;
}

.feature-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.feature-card p  { color: var(--text-secondary); font-size: 0.93rem; }

/* ── Courses ────────────────────────────────────────── */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 28px;
}

.course-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.course-card-header {
    padding: 30px 28px 20px;
    position: relative;
}

.course-card-body { padding: 0 28px 28px; display: flex; flex-direction: column; flex: 1; }

.course-level {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-blue);
    margin-bottom: 8px;
}

.course-title { font-size: 1.25rem; margin-bottom: 10px; }
.course-desc  { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 20px; }

.course-features {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 24px;
    flex: 1;
}
.course-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}
.course-feature::before {
    content: '✓';
    color: var(--accent-blue);
    font-weight: 700;
    flex-shrink: 0;
}

/* ── Blog cards ─────────────────────────────────────── */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 28px;
}

.blog-card { display: flex; flex-direction: column; overflow: hidden; }

.blog-card-img {
    height: 195px;
    background: linear-gradient(135deg, #eef3ff, #f0f7ff);
    overflow: hidden;
    position: relative;
}
.blog-card-img img { width: 100%; height: 100%; object-fit: cover; }
.blog-card-img-placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    font-size: 3.5rem;
    background: linear-gradient(135deg, rgba(37,99,235,0.07), rgba(109,40,217,0.07));
}

.blog-card-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.blog-card-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.blog-card-date { font-size: 0.8rem; color: var(--text-muted); }
.blog-card-title { font-size: 1.1rem; margin-bottom: 10px; line-height: 1.35; }
.blog-card-title a { color: var(--text-primary); }
.blog-card-title a:hover { color: var(--accent-blue); }
.blog-card-excerpt { color: var(--text-secondary); font-size: 0.88rem; margin-bottom: 20px; flex: 1; }
.blog-card-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 16px; border-top: 1px solid var(--border-light); }
.blog-card-author { display: flex; align-items: center; gap: 8px; font-size: 0.83rem; color: var(--text-secondary); }
.blog-card-author img { width: 26px; height: 26px; border-radius: 50%; }
.blog-card-author span { font-size: 0.85rem; color: var(--text-secondary); }

/* ── Forms ──────────────────────────────────────────── */
.form-group { margin-bottom: 20px; }
.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 7px;
}
.form-control {
    width: 100%;
    padding: 12px 16px;
    background: #f9fafb;
    border: 1.5px solid #e5e7eb;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: var(--font);
    transition: all var(--transition);
    outline: none;
}
.form-control:focus {
    border-color: var(--accent-blue);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.form-control::placeholder { color: var(--text-muted); }

textarea.form-control { resize: vertical; min-height: 130px; }
select.form-control { cursor: pointer; }
select.form-control option { background: #fff; color: var(--text-primary); }

.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

/* ── Flash messages ─────────────────────────────────── */
.flash {
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 0.92rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}
.flash-success { background: rgba(5,150,105,0.08);  border: 1px solid rgba(5,150,105,0.25);  color: #047857; }
.flash-error   { background: rgba(220,38,38,0.08);  border: 1px solid rgba(220,38,38,0.25);  color: #dc2626; }
.flash-info    { background: rgba(37,99,235,0.08);  border: 1px solid rgba(37,99,235,0.25);  color: #1d4ed8; }

/* ── Stats section ──────────────────────────────────── */
.stats-section { background: linear-gradient(135deg, #1d4ed8, #2563eb); border-top: none; border-bottom: none; }
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.stat-item { text-align: center; padding: 40px 20px; }
.stat-num  { font-size: 3rem; font-weight: 900; color: #fff; display: block; line-height: 1; }
.stat-label{ font-size: 0.9rem; color: rgba(255,255,255,0.8); margin-top: 8px; }

/* ── Testimonials ───────────────────────────────────── */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.testimonial-card { padding: 28px; }
.testimonial-stars { color: var(--accent-gold); font-size: 1rem; margin-bottom: 14px; letter-spacing: 2px; }
.testimonial-text  { color: var(--text-secondary); font-style: italic; margin-bottom: 20px; line-height: 1.7; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #2563eb, #6d28d9);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}
.testimonial-name  { font-weight: 700; font-size: 0.95rem; }
.testimonial-role  { font-size: 0.8rem; color: var(--text-muted); }

/* ── CTA section ────────────────────────────────────── */
.cta-section {
    background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 50%, #6d28d9 100%);
    border: none;
    border-radius: var(--radius-lg);
    padding: 70px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
    color: #fff;
}
.cta-section h2 { color: #fff; }
.cta-section p  { color: rgba(255,255,255,0.85); }
.cta-section .text-blue { color: rgba(255,255,255,0.96); }
.cta-section .badge {
    background: rgba(255,255,255,0.16);
    border-color: rgba(255,255,255,0.22);
    color: rgba(255,255,255,0.92);
}
.cta-section .btn-outline {
    color: rgba(255,255,255,0.95);
    border-color: rgba(255,255,255,0.65);
    background: rgba(255,255,255,0.06);
}
.cta-section .btn-outline:hover {
    background: rgba(255,255,255,0.12);
    color: #fff;
    border-color: rgba(255,255,255,0.85);
}
.cta-section::before {
    content: '';
    position: absolute;
    top: -60px; left: 50%;
    transform: translateX(-50%);
    width: 400px; height: 300px;
    background: radial-gradient(circle, rgba(255,255,255,0.12), transparent 70%);
    pointer-events: none;
}

/* ── Footer ─────────────────────────────────────────── */
.footer {
    background: #1e3a5f;
    border-top: none;
    padding: 60px 0 30px;
    color: rgba(255,255,255,0.85);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand h3  { font-size: 1.4rem; color: #fbbf24; margin-bottom: 10px; }
.footer-brand p   { color: rgba(255,255,255,0.65); font-size: 0.88rem; line-height: 1.7; margin-bottom: 20px; }

.footer-col h4    { font-size: 0.88rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: rgba(255,255,255,0.5); margin-bottom: 18px; }
.footer-links     { display: flex; flex-direction: column; gap: 11px; }
.footer-links a   { color: rgba(255,255,255,0.65); font-size: 0.9rem; transition: color var(--transition); }
.footer-links a:hover { color: #fff; }

.footer-contact-item { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,0.65); font-size: 0.88rem; margin-bottom: 10px; }
.footer-contact-item span:first-child { font-size: 1rem; }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.12);
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.83rem;
    color: rgba(255,255,255,0.45);
}

/* ── Admin layout ───────────────────────────────────── */
.admin-wrapper { display: flex; min-height: 100vh; }

.admin-sidebar {
    width: 250px;
    background: #1e3a5f;
    border-right: none;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0;
    bottom: 0;
    z-index: 900;
    transition: transform var(--transition);
}

.admin-sidebar-logo {
    padding: 22px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    gap: 10px;
}
.admin-sidebar-logo .logo-icon {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, #3b82f6, #6d28d9);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
}
.admin-sidebar-logo h2 { font-size: 1rem; font-weight: 700; color: #fff; }
.admin-sidebar-logo span { font-size: 0.72rem; color: rgba(255,255,255,0.55); display: block; }

.admin-nav { flex: 1; padding: 20px 12px; display: flex; flex-direction: column; gap: 4px; }

.admin-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: var(--radius-sm);
    color: rgba(255,255,255,0.65);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition);
}
.admin-nav a:hover,
.admin-nav a.active {
    background: rgba(255,255,255,0.1);
    color: #fff;
}
.admin-nav a .nav-icon { font-size: 1.1rem; width: 22px; text-align: center; flex-shrink: 0; }

.admin-nav-section {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.35);
    padding: 12px 14px 6px;
    margin-top: 8px;
}

.admin-sidebar-footer {
    padding: 16px 12px;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.admin-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.08);
}
.admin-user img { width: 34px; height: 34px; border-radius: 50%; }
.admin-user-name  { font-size: 0.88rem; font-weight: 600; color: #fff; }
.admin-user-role  { font-size: 0.72rem; color: #93c5fd; }

.admin-main {
    margin-left: 250px;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.admin-topbar {
    height: 62px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 28px;
    gap: 16px;
    background: var(--bg-primary);
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-topbar h1 { font-size: 1.15rem; font-weight: 700; flex: 1; }

.admin-content { padding: 32px 28px; flex: 1; }

/* ── Admin dashboard stats ──────────────────────────── */
.admin-stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; margin-bottom: 32px; }

.admin-stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px 24px;
    display: flex;
    align-items: center;
    gap: 18px;
}
.admin-stat-icon {
    width: 50px; height: 50px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}
.admin-stat-num   { font-size: 1.8rem; font-weight: 900; line-height: 1; }
.admin-stat-label { font-size: 0.8rem; color: var(--text-secondary); margin-top: 3px; }

/* ── Admin tables ───────────────────────────────────── */
.admin-table-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.admin-table-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.admin-table-header h3 { font-size: 1rem; }

table { width: 100%; border-collapse: collapse; }
thead th {
    padding: 13px 20px;
    text-align: left;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text-muted);
    background: rgba(37,99,235,0.04);
    border-bottom: 1px solid var(--border-light);
}
tbody tr { border-bottom: 1px solid rgba(0,0,0,0.06); transition: background var(--transition); }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: rgba(37,99,235,0.03); }
tbody td { padding: 14px 20px; font-size: 0.9rem; vertical-align: middle; }

.table-actions { display: flex; align-items: center; gap: 8px; }

/* ── Admin forms ────────────────────────────────────── */
.admin-form-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}

.admin-form-grid { display: grid; grid-template-columns: 3fr 1fr; gap: 28px; align-items: start; }
.admin-form-sidebar { display: flex; flex-direction: column; gap: 20px; }

/* ── AI Generator ───────────────────────────────────── */
.ai-generator {
    background: var(--bg-card);
    border: 1px solid rgba(30,127,255,0.3);
    border-radius: var(--radius);
    padding: 24px;
}
.ai-generator h3 {
    font-size: 1rem;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.ai-generator h3 span { color: var(--accent-blue); }

.ai-generate-btn {
    width: 100%;
    margin-top: 4px;
    background: linear-gradient(135deg, #2563eb, #6d28d9);
    border: none;
    color: #fff;
    justify-content: center;
}
.ai-generate-btn:hover {
    background: linear-gradient(135deg, #3b82f6, #7c3aed);
    transform: translateY(-1px);
    color: #fff;
    box-shadow: 0 4px 16px rgba(37,99,235,0.3);
}

.ai-loading {
    display: none;
    text-align: center;
    padding: 20px 0;
    color: var(--text-secondary);
    font-size: 0.88rem;
}
.ai-spinner {
    width: 24px; height: 24px;
    border: 2px solid rgba(37,99,235,0.15);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 10px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Login page ─────────────────────────────────────── */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(37,99,235,0.08) 0%, transparent 70%), #f0f4ff;
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border: 1px solid rgba(37,99,235,0.12);
    border-radius: var(--radius-lg);
    padding: 44px 40px;
    text-align: center;
    box-shadow: 0 8px 40px rgba(37,99,235,0.12), 0 2px 8px rgba(0,0,0,0.06);
}
.login-logo {
    width: 64px; height: 64px;
    background: linear-gradient(135deg, #2563eb, #6d28d9);
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    font-size: 2rem;
    margin: 0 auto 24px;
}
.login-card h1 { font-size: 1.6rem; margin-bottom: 8px; }
.login-card p  { color: var(--text-secondary); font-size: 0.92rem; margin-bottom: 32px; }

.google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 14px 24px;
    background: #fff;
    color: #333;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition);
}
.google-btn:hover { background: #f8f8f8; color: #333; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0,0,0,0.12); }
.google-btn svg  { width: 20px; height: 20px; flex-shrink: 0; }

/* ── Pagination ─────────────────────────────────────── */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 48px;
}
.pagination a,
.pagination span {
    display: flex; align-items: center; justify-content: center;
    width: 40px; height: 40px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    border: 1px solid var(--border);
    transition: all var(--transition);
}
.pagination a { color: var(--text-secondary); }
.pagination a:hover { background: rgba(37,99,235,0.08); color: var(--accent-blue); border-color: var(--accent-blue); }
.pagination .current { background: var(--accent-blue); color: #fff; border-color: var(--accent-blue); }

/* ── Blog single ────────────────────────────────────── */
.blog-hero {
    padding: 100px 0 60px;
    background: radial-gradient(ellipse 70% 50% at 50% 30%, rgba(37,99,235,0.07), transparent 70%), #f8faff;
}
.blog-content-wrap { max-width: 780px; margin: 0 auto; padding: 0 20px; }
.blog-post-meta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 32px; }

.blog-content {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 48px 52px;
    margin-top: 32px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.blog-content h2 { font-size: 1.6rem; margin: 32px 0 14px; color: var(--text-primary); }
.blog-content h3 { font-size: 1.3rem; margin: 24px 0 12px; color: var(--text-primary); }
.blog-content p  { color: var(--text-secondary); margin-bottom: 18px; line-height: 1.8; }
.blog-content ul,
.blog-content ol { color: var(--text-secondary); padding-left: 24px; margin-bottom: 18px; }
.blog-content li { margin-bottom: 8px; line-height: 1.7; }
.blog-content strong { color: var(--text-primary); }
.blog-content em     { color: var(--accent-cyan); font-style: italic; }

/* ── Page hero ──────────────────────────────────────── */
.page-hero {
    padding: 110px 0 65px;
    background: radial-gradient(ellipse 70% 50% at 50% 30%, rgba(37,99,235,0.07), transparent 70%), #f8faff;
    text-align: center;
}
.page-hero h1 { font-size: clamp(2rem, 4vw, 3.2rem); margin-bottom: 16px; }
.page-hero p  { color: var(--text-secondary); font-size: 1.05rem; max-width: 560px; margin: 0 auto; }

/* ── Scroll to top ──────────────────────────────────── */
.scroll-top {
    position: fixed;
    bottom: 28px; right: 28px;
    width: 44px; height: 44px;
    background: var(--accent-blue);
    border: none;
    border-radius: var(--radius-sm);
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999;
    transition: all var(--transition);
    box-shadow: 0 4px 14px rgba(30,127,255,0.4);
}
.scroll-top:hover { transform: translateY(-3px); }
.scroll-top.visible { display: flex; }

/* ── Responsive ─────────────────────────────────────── */
@media (max-width: 1024px) {
    .admin-stats { grid-template-columns: repeat(2,1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .stats-grid  { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 900px) {
    .hero-content { grid-template-columns: 1fr; }
    .hero-visual  { display: none; }
    .admin-form-grid { grid-template-columns: 1fr; }
    .navbar-nav, .navbar-actions { display: none; }
    .hamburger { display: flex; }
}

@media (max-width: 768px) {
    .section { padding: 60px 0; }
    .form-grid-2 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .admin-sidebar { transform: translateX(-100%); }
    .admin-sidebar.open { transform: translateX(0); }
    .admin-main { margin-left: 0; }
    .admin-stats { grid-template-columns: 1fr 1fr; }
    .blog-content { padding: 28px 24px; }
}

@media (max-width: 480px) {
    .stats-grid  { grid-template-columns: 1fr 1fr; }
    .admin-stats { grid-template-columns: 1fr; }
    .hero-stats  { flex-direction: column; gap: 20px; }
    .hero-actions { flex-direction: column; }
    .cta-section { padding: 48px 24px; }
}