/* ===========================
   Calculators Page - FinPluss Design System
   Minimal Design with Full Mobile Responsiveness
   Brand Colors: Orange #F36D21, Blue #243E93
   =========================== */

/* ========== CSS VARIABLES ========== */
:root {
    --calc-primary-blue: #243E93;
    --calc-primary-orange: #F36D21;
    --calc-text-primary: #000000;
    --calc-text-secondary: #666666;
    --calc-text-light: #999999;
    --calc-bg-light: #f8f9fa;
    --calc-bg-white: #ffffff;
    --calc-border-color: #e5e7eb;
    --calc-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.06);
    --calc-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --calc-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
    --calc-shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.12);
    --calc-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --calc-radius: 12px;
    --calc-radius-sm: 8px;
}

/* ========== RESET ========== */
.calculators-page * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ========== CONTAINER ========== */
.calc-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========== HERO SECTION ========== */
.calc-hero {
    background: linear-gradient(135deg, #f8f9fb 0%, #ffffff 100%);
    padding: 80px 0 60px;
    border-bottom: 1px solid var(--calc-border-color);
    position: relative;
    overflow: hidden;
}

/* Subtle background pattern */
.calc-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(243, 109, 33, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(36, 62, 147, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.calc-hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.calc-hero-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.2;
}

.calc-title-blue {
    color: var(--calc-primary-blue);
}

.calc-title-orange {
    color: var(--calc-primary-orange);
}

.calc-hero-subtitle {
    font-family: 'Open Sans', sans-serif;
    font-size: 18px;
    color: var(--calc-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ========== GRID SECTION ========== */
.calc-grid-section {
    padding: 60px 0;
    background: var(--calc-bg-white);
}

/* ========== CATEGORY SECTIONS ========== */
.calc-category {
    margin-bottom: 80px;
}

.calc-category:last-child {
    margin-bottom: 60px;
}

.calc-category-header {
    text-align: center;
    margin-bottom: 40px;
}

.calc-category-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--calc-primary-blue), #4a5fc1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
    box-shadow: 0 8px 20px rgba(36, 62, 147, 0.2);
}

.calc-category-icon.calc-icon-investment {
    background: linear-gradient(135deg, var(--calc-primary-orange), #f58c4c);
    box-shadow: 0 8px 20px rgba(243, 109, 33, 0.2);
}

.calc-category-icon.calc-icon-retirement {
    background: linear-gradient(135deg, #10b981, #34d399);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.2);
}

.calc-category-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 32px;
    font-weight: 600;
    color: var(--calc-text-primary);
    margin-bottom: 12px;
}

.calc-category-desc {
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    color: var(--calc-text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* ========== CARDS GRID ========== */
.calc-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

/* ========== CALCULATOR CARD ========== */
.calc-card {
    background: var(--calc-bg-white);
    border-radius: var(--calc-radius);
    padding: 32px 24px;
    border: 1px solid var(--calc-border-color);
    transition: var(--calc-transition);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 320px;
}

.calc-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--calc-shadow-hover);
    border-color: transparent;
}

/* Featured Card */
.calc-card-featured {
    border: 2px solid var(--calc-primary-orange);
    background: linear-gradient(135deg, #fff 0%, #fef5f1 100%);
}

.calc-featured-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--calc-primary-orange);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
}

/* Card Icon */
.calc-card-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(243, 109, 33, 0.1), rgba(243, 109, 33, 0.05));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 24px;
    color: var(--calc-primary-orange);
    transition: var(--calc-transition);
}

.calc-card:hover .calc-card-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, rgba(243, 109, 33, 0.15), rgba(243, 109, 33, 0.08));
}

/* Card Content */
.calc-card-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 20px;
    font-weight: 600;
    color: var(--calc-text-primary);
    margin-bottom: 12px;
    line-height: 1.3;
}

.calc-card-desc {
    font-family: 'Open Sans', sans-serif;
    font-size: 14px;
    color: var(--calc-text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
    flex: 1;
}

/* Card Features */
.calc-card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.calc-feature {
    font-family: 'Open Sans', sans-serif;
    font-size: 11px;
    padding: 4px 10px;
    background: var(--calc-bg-light);
    color: var(--calc-text-secondary);
    border-radius: 16px;
    white-space: nowrap;
}

/* Card Button */
.calc-card-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--calc-primary-blue);
    color: white;
    border-radius: var(--calc-radius-sm);
    text-decoration: none;
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 600;
    transition: var(--calc-transition);
    margin-top: auto;
}

.calc-card-btn:hover {
    background: #1a2d6d;
    gap: 12px;
}

.calc-card-btn i {
    font-size: 12px;
    transition: var(--calc-transition);
}

.calc-card-btn:hover i {
    transform: translateX(2px);
}

/* Featured Button */
.calc-btn-featured {
    background: var(--calc-primary-orange);
}

.calc-btn-featured:hover {
    background: #d55a1a;
}

/* ========== CTA SECTION ========== */
.calc-cta-section {
    margin-top: 40px;
    padding: 40px 0;
}

.calc-cta-card {
    background: linear-gradient(135deg, var(--calc-primary-blue), #4a5fc1);
    border-radius: var(--calc-radius);
    padding: 48px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 12px 40px rgba(36, 62, 147, 0.2);
}

.calc-cta-content {
    flex: 1;
}

.calc-cta-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 28px;
    font-weight: 600;
    color: white;
    margin-bottom: 12px;
}

.calc-cta-desc {
    font-family: 'Open Sans', sans-serif;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
}

.calc-cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: var(--calc-primary-orange);
    color: white;
    border-radius: var(--calc-radius-sm);
    text-decoration: none;
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
    font-weight: 600;
    transition: var(--calc-transition);
    box-shadow: 0 4px 12px rgba(243, 109, 33, 0.3);
}

.calc-cta-button:hover {
    background: #d55a1a;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(243, 109, 33, 0.4);
}

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.calc-card {
    animation: fadeInUp 0.5s ease-out;
    animation-fill-mode: both;
}

.calc-card:nth-child(1) { animation-delay: 0.1s; }
.calc-card:nth-child(2) { animation-delay: 0.2s; }
.calc-card:nth-child(3) { animation-delay: 0.3s; }
.calc-card:nth-child(4) { animation-delay: 0.4s; }

/* ========== RESPONSIVE DESIGN ========== */

/* Large Tablets */
@media (max-width: 1024px) {
    .calc-hero {
        padding: 60px 0 40px;
    }
    
    .calc-hero-title {
        font-size: 40px;
    }
    
    .calc-cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 20px;
    }
    
    .calc-cta-card {
        padding: 36px 32px;
    }
    
    .calc-cta-title {
        font-size: 24px;
    }
}

/* Tablets */
@media (max-width: 768px) {
    .calc-hero {
        padding: 50px 0 30px;
    }
    
    .calc-hero-title {
        font-size: 32px;
    }
    
    .calc-hero-subtitle {
        font-size: 16px;
    }
    
    .calc-category {
        margin-bottom: 60px;
    }
    
    .calc-category-title {
        font-size: 28px;
    }
    
    .calc-cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .calc-card {
        padding: 24px 20px;
        min-height: 300px;
    }
    
    .calc-cta-card {
        flex-direction: column;
        text-align: center;
        padding: 32px 24px;
        gap: 24px;
    }
    
    .calc-cta-button {
        width: 100%;
        justify-content: center;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .calc-container {
        padding: 0 16px;
    }
    
    .calc-hero {
        padding: 40px 0 24px;
    }
    
    .calc-hero-title {
        font-size: 28px;
        line-height: 1.3;
    }
    
    .calc-hero-subtitle {
        font-size: 14px;
        padding: 0 10px;
    }
    
    .calc-grid-section {
        padding: 40px 0;
    }
    
    .calc-category {
        margin-bottom: 48px;
    }
    
    .calc-category-header {
        margin-bottom: 32px;
    }
    
    .calc-category-icon {
        width: 56px;
        height: 56px;
        font-size: 24px;
    }
    
    .calc-category-title {
        font-size: 24px;
    }
    
    .calc-category-desc {
        font-size: 14px;
    }
    
    .calc-cards-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .calc-card {
        padding: 24px 20px;
        min-height: auto;
    }
    
    .calc-card-icon {
        width: 48px;
        height: 48px;
        font-size: 20px;
        margin-bottom: 16px;
    }
    
    .calc-card-title {
        font-size: 18px;
    }
    
    .calc-card-desc {
        font-size: 13px;
        margin-bottom: 16px;
    }
    
    .calc-card-features {
        margin-bottom: 20px;
    }
    
    .calc-feature {
        font-size: 10px;
        padding: 3px 8px;
    }
    
    .calc-card-btn {
        font-size: 13px;
        padding: 10px 20px;
    }
    
    .calc-featured-badge {
        font-size: 11px;
        padding: 5px 12px;
    }
    
    .calc-cta-section {
        padding: 32px 0;
    }
    
    .calc-cta-card {
        padding: 28px 20px;
    }
    
    .calc-cta-title {
        font-size: 20px;
        margin-bottom: 8px;
    }
    
    .calc-cta-desc {
        font-size: 14px;
    }
    
    .calc-cta-button {
        font-size: 14px;
        padding: 14px 24px;
    }
}

/* Small Mobile */
@media (max-width: 360px) {
    .calc-hero-title {
        font-size: 24px;
    }
    
    .calc-category-title {
        font-size: 20px;
    }
    
    .calc-card {
        padding: 20px 16px;
    }
    
    .calc-card-title {
        font-size: 16px;
    }
    
    .calc-card-desc {
        font-size: 12px;
    }
    
    .calc-card-btn {
        font-size: 12px;
        padding: 8px 16px;
    }
}

/* ========== LOADING STATES ========== */
.calc-card-loading {
    background: var(--calc-bg-light);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ========== ACCESSIBILITY ========== */
.calc-card-btn:focus,
.calc-cta-button:focus {
    outline: 3px solid rgba(243, 109, 33, 0.5);
    outline-offset: 2px;
}

.calc-card:focus-within {
    box-shadow: 0 0 0 3px rgba(36, 62, 147, 0.1);
}

/* ========== PRINT STYLES ========== */
@media print {
    .calc-hero {
        background: white;
        padding: 20px 0;
    }
    
    .calc-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .calc-cta-section {
        display: none;
    }
    
    .calc-card-btn {
        background: white;
        color: var(--calc-primary-blue);
        border: 1px solid var(--calc-primary-blue);
    }
}