/* ==========================================================================
   UDDOKTA COURSE - MODERN STUDENT-CENTRIC EDTECH DESIGN SYSTEM
   Palette: Teal (#03c6bb), Deep Slate (#0f172a), Indigo (#4f46e5)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --primary: #03c6bb;
    --primary-dark: #009e95;
    --primary-light: #e6faf8;
    --primary-gradient: linear-gradient(135deg, #03c6bb 0%, #009e95 100%);
    
    --indigo: #4f46e5;
    --indigo-light: #eef2ff;
    --indigo-gradient: linear-gradient(135deg, #4f46e5 0%, #3730a3 100%);
    
    --slate-900: #0f172a;
    --slate-800: #1e293b;
    --slate-700: #334155;
    --slate-600: #475569;
    --slate-500: #64748b;
    --slate-400: #94a3b8;
    --slate-200: #e2e8f0;
    --slate-100: #f1f5f9;
    --slate-50: #f8fafc;
    
    --success: #10b981;
    --success-light: #ecfdf5;
    --danger: #ef4444;
    --danger-light: #fef2f2;
    --warning: #f59e0b;
    --warning-light: #fffbeb;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.05);
    --shadow-hover: 0 20px 30px -10px rgba(3, 198, 187, 0.25);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-body) !important;
    color: var(--slate-700);
    background-color: var(--slate-50);
    -webkit-font-smoothing: antialiased;
}

/* Fix squished / vertical paragraph wrapping in section titles */
.section-subtext,
.section-title.text-center .description,
.section-title .description,
.section-title p.description,
.section-title p {
    padding: 0 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    width: 100% !important;
    max-width: 680px !important;
    margin-left: auto !important;
    margin-right: auto !important;
    display: block !important;
    line-height: 1.7 !important;
    font-size: 16px !important;
    white-space: normal !important;
    word-break: normal !important;
    overflow-wrap: break-word !important;
    box-sizing: border-box !important;
    text-align: center !important;
}

h1, h2, h3, h4, h5, h6, .title, .rbt-card-title {
    font-family: var(--font-heading) !important;
    font-weight: 700;
    color: var(--slate-900);
    letter-spacing: -0.02em;
}

/* ==========================================================================
   Modern Header & Nav
   ========================================================================== */
.rbt-header-wrapper {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--slate-200);
    transition: var(--transition);
}

.rbt-header .mainmenu-nav .mainmenu > li > a {
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    color: var(--slate-700);
    padding: 24px 14px;
    transition: var(--transition);
    position: relative;
}

.rbt-header .mainmenu-nav .mainmenu > li > a:hover,
.rbt-header .mainmenu-nav .mainmenu > li.active > a {
    color: var(--primary);
}

.rbt-header-btn-login {
    background: var(--primary-gradient) !important;
    color: #ffffff !important;
    font-weight: 600;
    font-size: 14px;
    padding: 10px 22px;
    border-radius: var(--radius-full);
    box-shadow: 0 4px 14px rgba(3, 198, 187, 0.35);
    transition: var(--transition);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.rbt-header-btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(3, 198, 187, 0.45);
    color: #ffffff !important;
}

/* ==========================================================================
   Modern Hero Section
   ========================================================================== */
.student-hero {
    position: relative;
    padding: 85px 0 100px;
    background: linear-gradient(135deg, #0b1329 0%, #0f172a 60%, #1e1b4b 100%);
    overflow: hidden;
}

.student-hero::before {
    content: '';
    position: absolute;
    top: -150px;
    right: -150px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(3, 198, 187, 0.22) 0%, rgba(3, 198, 187, 0) 70%);
    border-radius: 50%;
    z-index: 1;
    pointer-events: none;
}

.student-hero::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -150px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.22) 0%, rgba(79, 70, 229, 0) 70%);
    border-radius: 50%;
    z-index: 1;
    pointer-events: none;
}

.student-hero .container {
    position: relative;
    z-index: 2;
}

.student-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(3, 198, 187, 0.15);
    border: 1px solid rgba(3, 198, 187, 0.35);
    color: #03c6bb;
    font-size: 13px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.student-hero-title {
    color: #ffffff !important;
    font-size: clamp(28px, 4.2vw, 48px);
    font-weight: 800;
    line-height: 1.35;
    margin-bottom: 20px;
    padding-bottom: 4px;
    overflow: visible;
}

.student-hero-title span {
    background: linear-gradient(135deg, #03c6bb 0%, #38bdf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.student-hero-desc {
    color: var(--slate-200);
    font-size: clamp(15px, 1.8vw, 18px);
    line-height: 1.65;
    max-width: 620px;
    margin-bottom: 35px;
}

.hero-stats-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-top: 45px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-stat-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.hero-stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 20px;
}

.hero-stat-num {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.1;
}

.hero-stat-label {
    font-size: 13px;
    color: var(--slate-400);
}

/* ==========================================================================
   Modern Service & Category Cards
   ========================================================================== */
.modern-category-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--slate-200);
    padding: 20px;
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.modern-category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition);
}

.modern-category-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(3, 198, 187, 0.4);
}

.modern-category-card:hover::before {
    opacity: 1;
}

.modern-category-img-wrap {
    height: 160px;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    margin-bottom: 16px;
    background: var(--slate-100);
}

.modern-category-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.modern-category-card:hover .modern-category-img-wrap img {
    transform: scale(1.06);
}

.modern-category-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: 8px;
    line-height: 1.35;
}

.modern-category-meta {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid var(--slate-100);
}

.modern-category-badge {
    background: var(--primary-light);
    color: var(--primary-dark);
    font-size: 13px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* ==========================================================================
   Modern Course Cards
   ========================================================================== */
.modern-course-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--slate-200);
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
}

.modern-course-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(3, 198, 187, 0.35);
}

.modern-course-thumb {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: var(--slate-100);
}

.modern-course-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.modern-course-card:hover .modern-course-thumb img {
    transform: scale(1.05);
}

.modern-course-badge-top {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(8px);
    color: #ffffff;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    z-index: 2;
}

.modern-course-body {
    padding: 22px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.modern-course-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: var(--slate-500);
    margin-bottom: 12px;
}

.modern-course-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.modern-course-title {
    font-size: 19px;
    font-weight: 700;
    color: var(--slate-900);
    line-height: 1.4;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.modern-course-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

.modern-course-title a:hover {
    color: var(--primary);
}

.modern-course-footer {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--slate-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modern-course-price {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    color: var(--primary-dark);
}

.modern-btn-enroll {
    background: var(--primary-gradient);
    color: #ffffff !important;
    font-size: 13px;
    font-weight: 600;
    padding: 8px 18px;
    border-radius: var(--radius-full);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.modern-btn-enroll:hover {
    box-shadow: 0 4px 12px rgba(3, 198, 187, 0.35);
    transform: translateY(-2px);
}

/* ==========================================================================
   Modern Exam / Test Taking Portal (Student Friendly)
   ========================================================================== */
.exam-portal-header {
    background: #ffffff;
    border-bottom: 1px solid var(--slate-200);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 14px 0;
    box-shadow: var(--shadow-sm);
}

.exam-timer-box {
    background: var(--slate-900);
    color: #ffffff;
    padding: 8px 18px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.05em;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.exam-timer-box i {
    color: var(--primary);
    animation: pulse 1.5s infinite;
}

.exam-question-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--slate-200);
    padding: 30px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.exam-question-number {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary-dark);
    font-weight: 700;
    font-size: 13px;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    margin-bottom: 14px;
}

.exam-question-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--slate-900);
    line-height: 1.5;
    margin-bottom: 22px;
}

.exam-option-item {
    display: block;
    margin-bottom: 12px;
    cursor: pointer;
}

.exam-option-item input[type="radio"] {
    display: none;
}

.exam-option-label {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 20px;
    background: var(--slate-50);
    border: 2px solid var(--slate-200);
    border-radius: var(--radius-md);
    transition: var(--transition);
    font-size: 15px;
    color: var(--slate-800);
    font-weight: 500;
}

.exam-option-key {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #ffffff;
    border: 1px solid var(--slate-300);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 13px;
    color: var(--slate-600);
    flex-shrink: 0;
    transition: var(--transition);
}

.exam-option-item:hover .exam-option-label {
    border-color: var(--primary);
    background: rgba(3, 198, 187, 0.04);
}

.exam-option-item input[type="radio"]:checked + .exam-option-label {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary-dark);
    font-weight: 600;
}

.exam-option-item input[type="radio"]:checked + .exam-option-label .exam-option-key {
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

/* Exam Result Card */
.exam-result-card {
    background: #ffffff;
    border-radius: var(--radius-xl);
    border: 1px solid var(--slate-200);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.score-meter-circle {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: linear-gradient(135deg, #03c6bb 0%, #4f46e5 100%);
    color: #ffffff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    box-shadow: 0 10px 25px rgba(3, 198, 187, 0.35);
}

.score-meter-num {
    font-family: var(--font-heading);
    font-size: 40px;
    font-weight: 800;
    line-height: 1;
}

.score-meter-sub {
    font-size: 13px;
    opacity: 0.9;
    font-weight: 500;
}

/* ==========================================================================
   Modern Student Dashboard
   ========================================================================== */
.student-dashboard-sidebar {
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--slate-200);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.student-avatar-wrap {
    text-align: center;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--slate-100);
    margin-bottom: 20px;
}

.student-avatar-img {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    border: 3px solid var(--primary);
    object-fit: cover;
    margin: 0 auto 12px;
}

.student-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: var(--slate-600);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    margin-bottom: 6px;
}

.student-nav-item i {
    font-size: 18px;
}

.student-nav-item:hover,
.student-nav-item.active {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.student-kpi-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--slate-200);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 18px;
    transition: var(--transition);
}

.student-kpi-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.student-kpi-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.kpi-icon-teal {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.kpi-icon-indigo {
    background: var(--indigo-light);
    color: var(--indigo);
}

.kpi-icon-emerald {
    background: var(--success-light);
    color: var(--success);
}

.student-kpi-val {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 800;
    color: var(--slate-900);
    line-height: 1.1;
}

.student-kpi-label {
    font-size: 13px;
    color: var(--slate-500);
    font-weight: 500;
}

/* ==========================================================================
   Mobile Ergonomics & Responsive Tuning
   ========================================================================== */
@media (max-width: 768px) {
    .student-hero {
        padding: 60px 0 80px;
    }
    
    .hero-stats-wrapper {
        gap: 16px;
    }
    
    .modern-course-thumb {
        height: 180px;
    }
    
    .exam-question-card {
        padding: 20px;
    }
    
    .exam-timer-box {
        padding: 6px 14px;
        font-size: 15px;
    }
}

/* ==========================================================================
   Modern Newsletter Banner
   ========================================================================== */
.newsletter.theme-bg {
    background: linear-gradient(135deg, #0b1329 0%, #0f172a 60%, #1e1b4b 100%) !important;
    position: relative;
    overflow: hidden;
    padding: 70px 0 !important;
}

.newsletter.theme-bg::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(3, 198, 187, 0.22) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.newsletter.theme-bg::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.22) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.newsletter.inverse-theme h2 {
    color: #ffffff !important;
    font-size: clamp(22px, 3.2vw, 34px) !important;
    font-weight: 800 !important;
    margin-bottom: 25px !important;
    position: relative;
    z-index: 2;
}

.newsletter .sup-form {
    position: relative;
    max-width: 580px;
    margin: 0 auto;
    z-index: 2;
}

.newsletter .sup-form .form-control.sigmup-me {
    border-radius: 50px !important;
    border: 2px solid rgba(255, 255, 255, 0.2) !important;
    padding-left: 28px !important;
    padding-right: 175px !important;
    background: #ffffff !important;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.25) !important;
    color: #1e293b !important;
    height: 64px !important;
    font-size: 15px !important;
}

.newsletter .sup-form .form-control.sigmup-me:focus {
    border-color: #03c6bb !important;
    outline: none !important;
    box-shadow: 0 0 0 4px rgba(3, 198, 187, 0.25) !important;
}

.newsletter .sup-form .btn.btn-theme {
    position: absolute !important;
    right: 6px !important;
    top: 6px !important;
    bottom: 6px !important;
    height: 52px !important;
    border-radius: 50px !important;
    background: linear-gradient(135deg, #03c6bb 0%, #009e95 100%) !important;
    color: #ffffff !important;
    font-weight: 700 !important;
    font-size: 15px !important;
    padding: 0 32px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    box-shadow: 0 4px 14px rgba(3, 198, 187, 0.35) !important;
    border: none !important;
    transition: all 0.25s ease !important;
}

.newsletter .sup-form .btn.btn-theme:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(3, 198, 187, 0.5) !important;
}