/**
 * Divyansh Educational Foundation - Components
 * Cards, buttons, forms, alerts, badges, hero, course cards,
 * contact cards, timing, steps, certificates, stats, library, spinner
 * Extracted from style.css (with overflow fixes applied)
 */

/* ============================================
   Card Components
   ============================================ */
.card {
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(184, 92, 56, 0.15);
    border-color: rgba(184, 92, 56, 0.4);
}

.card-hover:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 50px rgba(184, 92, 56, 0.2);
}

.card-gradient {
    background: linear-gradient(135deg, rgba(184, 92, 56, 0.1), rgba(228, 168, 83, 0.1));
    border: 1px solid rgba(184, 92, 56, 0.2);
}

.card-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
}

/* ============================================
   Icon Box
   ============================================ */
.icon-box {
    width: 3.5rem;
    height: 3.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.icon-box svg {
    width: 1.75rem;
    height: 1.75rem;
    color: white;
}

.icon-box-lg {
    width: 4rem;
    height: 4rem;
}

.icon-box-lg svg {
    width: 2rem;
    height: 2rem;
}

.icon-box-primary {
    background-color: var(--primary);
}

.icon-box-secondary {
    background-color: var(--secondary);
}

.icon-box-light {
    background-color: rgba(184, 92, 56, 0.1);
}

.icon-box-light svg {
    color: var(--primary);
}

.card:hover .icon-box {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 10px 20px rgba(184, 92, 56, 0.3);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-xl);
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--primary-foreground);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 30px rgba(184, 92, 56, 0.35);
    color: #ffffff;
}

.btn-primary:active {
    transform: translateY(-1px) scale(0.98);
}

.btn-secondary {
    background-color: var(--secondary);
    color: var(--secondary-foreground);
}

.btn-secondary:hover {
    color: var(--secondary-foreground);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(184, 92, 56, 0.2);
}

.btn-white {
    background-color: white;
    color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.btn-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
    color: var(--primary);
}

.btn-white-outline {
    background-color: transparent;
    border: 2px solid white;
    color: white;
}

.btn-white-outline:hover {
    background-color: white;
    color: var(--primary);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   Form Components
   ============================================ */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    background-color: var(--background);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(184, 92, 56, 0.15), 0 0 0 3px rgba(184, 92, 56, 0.2);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--muted-foreground);
}

.form-textarea {
    resize: none;
    min-height: 120px;
}

.form-input-icon {
    position: relative;
}

.form-input-icon .icon-left {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--muted-foreground);
}

.form-input-icon .icon-right {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--muted-foreground);
    cursor: pointer;
}

.form-input-icon input {
    padding-left: 3rem;
}

.form-input-icon input.has-right-icon {
    padding-right: 3rem;
}

/* ============================================
   Alert Messages
   ============================================ */
.alert {
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.alert-success {
    background-color: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    color: #166534;
}

.alert-error {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #dc2626;
}

.alert-info {
    background-color: rgba(184, 92, 56, 0.1);
    border: 1px solid rgba(184, 92, 56, 0.2);
    color: var(--primary);
}

.alert-warning {
    background-color: rgba(228, 168, 83, 0.1);
    border: 1px solid rgba(228, 168, 83, 0.2);
    color: #92400e;
}

/* ============================================
   Badge / Tag
   ============================================ */
.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.badge:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(184, 92, 56, 0.2);
}

.badge-primary {
    background-color: rgba(184, 92, 56, 0.1);
    color: var(--primary);
}

.badge-secondary {
    background-color: rgba(228, 168, 83, 0.2);
    color: var(--secondary);
}

/* ============================================
   List Styles
   ============================================ */
.list-check {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.list-check li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    color: var(--muted-foreground);
}

.list-check svg {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    color: var(--primary);
    margin-top: 0.125rem;
}

.list-bullet li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.list-bullet li::before {
    content: '';
    width: 0.375rem;
    height: 0.375rem;
    background-color: var(--secondary);
    border-radius: 50%;
    margin-top: 0.5rem;
    flex-shrink: 0;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 56rem;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.75rem);
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--muted-foreground);
    line-height: 1.75;
}

@media (min-width: 640px) {
    .hero-subtitle {
        font-size: 1.25rem;
    }
}

/* Hero Background Blobs */
.blur-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(64px);
    z-index: 0;
    opacity: 0.15;
    max-width: 100%;
}

.blur-blob-primary {
    width: min(16rem, 80vw);
    height: min(16rem, 80vw);
    background-color: var(--primary);
}

.blur-blob-secondary {
    width: min(24rem, 90vw);
    height: min(24rem, 90vw);
    background-color: var(--secondary);
}

.hero-image-container {
    perspective: 1000px;
}

.hero-image {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 28rem;
    border-radius: 1.5rem;
    box-shadow: var(--shadow-2xl);
    transition: transform 0.5s ease;
}

.hero-image-container:hover .hero-image {
    transform: scale(1.02);
}

.hero-image-glow {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(184, 92, 56, 0.2), rgba(228, 168, 83, 0.2));
    border-radius: 1.5rem;
    filter: blur(32px);
    z-index: 1;
    transform: scale(0.95);
    transition: transform 0.5s ease;
}

.hero-image-container:hover .hero-image-glow {
    transform: scale(1);
}

/* ============================================
   Course Cards (OVERFLOW FIX APPLIED)
   ============================================ */
.course-card {
    display: flex;
    flex-direction: column;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(184, 92, 56, 0.2);
}

.course-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.course-card-code {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: rgba(228, 168, 83, 0.2);
    color: var(--secondary);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 9999px;
    margin-bottom: 0.75rem;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.course-card:hover .course-card-code {
    background-color: var(--primary);
    color: white;
}

.course-card-title {
    font-size: 1.25rem;
    color: var(--primary);
}

.course-card-price {
    text-align: right;
}

.course-card-fee {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.course-card-duration {
    font-size: 0.75rem;
    color: var(--muted-foreground);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* FIX: Removed negative margin that caused horizontal overflow.
   Using border-top + separate bottom-radius instead. */
.course-card-footer {
    margin-top: auto;
    padding: 1rem 2rem;
    background-color: rgba(245, 240, 235, 0.5);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 0 0 var(--radius-2xl) var(--radius-2xl);
    margin: 0 -2rem -2rem;
}

/* Override negative margin on small screens to prevent overflow */
@media (max-width: 640px) {
    .course-card-footer {
        margin: 0 -1.5rem -1.5rem;
        padding: 1rem 1.5rem;
    }
}

@media (max-width: 360px) {
    .course-card-footer {
        margin: 0 -1rem -1rem;
        padding: 0.75rem 1rem;
        flex-direction: column;
        gap: 0.75rem;
    }

    .card {
        padding: 1rem;
    }
}

.course-card-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.course-card-meta-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    color: var(--muted-foreground);
}

.course-card-meta-item svg {
    width: 0.875rem;
    height: 0.875rem;
}

.course-card-link {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary);
    transition: gap 0.2s;
}

.course-card-link:hover {
    gap: 0.5rem;
}

/* ============================================
   Contact Info Cards
   ============================================ */
.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

.contact-card:hover {
    transform: translateX(5px);
    box-shadow: 0 10px 30px rgba(184, 92, 56, 0.15);
    background-color: rgba(184, 92, 56, 0.03);
}

.contact-card:hover .icon-box {
    transform: scale(1.15);
}

/* ============================================
   Timing Table
   ============================================ */
.timing-row {
    display: grid;
    gap: 1.5rem;
    padding: 1.5rem;
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    margin-bottom: 1rem;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

@media (min-width: 768px) {
    .timing-row {
        grid-template-columns: 1fr 1fr 1fr;
        align-items: center;
    }
}

.timing-row:hover {
    background-color: rgba(184, 92, 56, 0.03);
    transform: scale(1.01);
}

.timing-row.closed {
    background-color: rgba(239, 68, 68, 0.05);
    border-color: rgba(239, 68, 68, 0.2);
}

.timing-day {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.timing-day-icon {
    width: 4rem;
    height: 4rem;
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.timing-day-name {
    font-size: 1.5rem;
    font-weight: 700;
}

.timing-session-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.timing-time {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--muted-foreground);
    margin-bottom: 0.5rem;
}

/* ============================================
   Step Process
   ============================================ */
.step-card {
    position: relative;
    background-color: var(--card);
    padding: 1.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    transition: all 0.3s ease;
}

.step-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(184, 92, 56, 0.15);
}

.step-number {
    position: absolute;
    top: -1rem;
    left: -1rem;
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    box-shadow: var(--shadow-lg);
    z-index: 10;
    transition: transform 0.3s ease, background 0.3s ease;
}

.step-card:hover .step-number {
    transform: scale(1.2) rotate(10deg);
    background: linear-gradient(135deg, var(--secondary), var(--primary));
}

.step-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.step-description {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    line-height: 1.6;
}

/* Timeline steps */
.timeline {
    position: relative;
}

.timeline-step {
    position: relative;
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    transition: transform 0.3s ease;
}

.timeline-step:hover {
    transform: translateX(10px);
}

.timeline-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 1.75rem;
    top: 3.5rem;
    bottom: -3rem;
    width: 2px;
    background-color: var(--border);
}

.timeline-number {
    width: 3.5rem;
    height: 3.5rem;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(184, 92, 56, 0.2);
    z-index: 10;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.timeline-step:hover .timeline-number {
    transform: scale(1.2);
    box-shadow: 0 10px 25px rgba(184, 92, 56, 0.3);
}

.timeline-content {
    padding-top: 0.5rem;
}

.timeline-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.timeline-description {
    color: var(--muted-foreground);
    line-height: 1.6;
}

/* ============================================
   Certificate Display
   ============================================ */
.certificate {
    background-color: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    box-shadow: var(--shadow-xl);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.certificate:hover {
    transform: scale(1.02);
    box-shadow: 0 30px 60px rgba(184, 92, 56, 0.2);
}

.certificate-inner {
    border: 8px solid rgba(184, 92, 56, 0.2);
    border-radius: var(--radius-xl);
    padding: 2rem;
}

@media (min-width: 768px) {
    .certificate-inner {
        padding: 3rem;
    }
}

.certificate-header {
    text-align: center;
    margin-bottom: 2rem;
}

.certificate-header svg {
    width: 4rem;
    height: 4rem;
    color: var(--primary);
    margin: 0 auto 1rem;
}

.certificate-title {
    font-size: 1.875rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

@media (min-width: 768px) {
    .certificate-title {
        font-size: 2.25rem;
    }
}

.certificate-divider {
    width: 8rem;
    height: 4px;
    background-color: var(--secondary);
    margin: 0 auto;
}

.certificate-body {
    text-align: center;
}

.certificate-name {
    font-size: 1.5rem;
    color: var(--primary);
    border-bottom: 2px solid rgba(184, 92, 56, 0.3);
    padding-bottom: 0.5rem;
    display: inline-block;
    margin: 1rem 0;
}

@media (min-width: 768px) {
    .certificate-name {
        font-size: 1.875rem;
    }
}

.certificate-course {
    font-size: 1.25rem;
    margin: 1rem 0;
}

@media (min-width: 768px) {
    .certificate-course {
        font-size: 1.5rem;
    }
}

.certificate-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.certificate-signature {
    text-align: center;
}

.certificate-signature-line {
    width: 8rem;
    height: 2px;
    background-color: var(--foreground);
    margin-bottom: 0.5rem;
}

.certificate-signature-label {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

.certificate-institution {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

/* ============================================
   Stats Section (RESPONSIVE FIX APPLIED)
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    text-align: center;
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

.stat-value {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
    transition: transform 0.3s ease, color 0.3s ease;
}

.stats-grid>div:hover .stat-value {
    transform: scale(1.1);
    color: var(--primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

/* ============================================
   Library Timeline
   ============================================ */
.library-timeline-item {
    position: relative;
    display: flex;
    gap: 2rem;
}

.library-timeline-connector {
    position: absolute;
    left: 1.75rem;
    top: 3.5rem;
    bottom: -3rem;
    width: 2px;
    background-color: var(--border);
}

.library-timeline-number {
    width: 3.5rem;
    height: 3.5rem;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    z-index: 10;
    font-weight: 700;
    font-size: 1.25rem;
    box-shadow: 0 10px 15px -3px rgba(184, 92, 56, 0.2);
}

.library-timeline-content {
    padding-top: 0.5rem;
}

/* ============================================
   Specialty Cards
   ============================================ */
.specialty-card {
    transition: all 0.3s ease;
}

.specialty-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(184, 92, 56, 0.2);
}

/* ============================================
   Admission Page Specifics
   ============================================ */
.bg-white-50 {
    background-color: rgba(255, 255, 255, 0.5);
}

.hero-bg-gradient {
    background: linear-gradient(135deg, rgba(184, 92, 56, 0.1), var(--background), rgba(228, 168, 83, 0.1));
}

.card-primary-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

.card-primary-gradient .text-muted {
    color: rgba(255, 255, 255, 0.9) !important;
}

.card-primary-gradient svg {
    color: white;
}

.card-light-gradient {
    background: linear-gradient(135deg, rgba(184, 92, 56, 0.1), rgba(228, 168, 83, 0.1));
    border: 1px solid rgba(184, 92, 56, 0.2);
}

/* ============================================
   Blurred Background Decorations
   ============================================ */
.blur-decoration {
    position: absolute;
    border-radius: 50%;
    filter: blur(64px);
    opacity: 0.1;
    pointer-events: none;
    max-width: 100%;
}

.blur-primary {
    background-color: var(--primary);
}

.blur-secondary {
    background-color: var(--secondary);
}

/* ============================================
   Loader / Spinner
   ============================================ */
.spinner {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* ============================================
   Page Transition Overlay
   ============================================ */
#pageTransitionOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--background), rgba(184, 92, 56, 0.05));
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    backdrop-filter: blur(10px);
}

#pageTransitionOverlay.active {
    opacity: 1;
    visibility: visible;
}

.transition-loader {
    text-align: center;
}

.transition-loader .loader-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(184, 92, 56, 0.2);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 1rem;
}

.transition-loader p {
    color: var(--primary);
    font-weight: 500;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: pulse 1.5s ease-in-out infinite;
}