/**
 * Calculator Hub - Master Stylesheet
 * Inspired by azpps.com: Electric indigo & violet palette, Space Grotesk headings,
 * sleek glassmorphic navbar, rounded-2xl cards, mesh gradients, and micro-interactions.
 */

:root {
    /* azpps-inspired primary palette */
    --primary-color: #5d4ef5;
    --primary-hover: #4839ee;
    --primary-light: #f2f0ff;
    --primary-rgb: 93, 78, 245;

    /* Accent & auxiliary colors */
    --accent-color: #ec1e67;
    --accent-hover: #d91456;
    --secondary-color: #64748b;
    --dark-color: #121124;
    --dark-surface: #0c0b16;

    /* Neutrals & surfaces */
    --body-bg: #f8f8fc;
    --card-bg: #ffffff;
    --border-color: #e3e3eb;
    --border-subtle: #eeeff6;
    --text-main: #2b2b3d;
    --text-muted: #6a6a82;

    /* Signature Gradients */
    --gradient-hero: linear-gradient(135deg, hsl(250 100% 97%) 0%, hsl(280 100% 97%) 40%, hsl(340 100% 97%) 100%);
    --gradient-card: linear-gradient(180deg, #ffffff 0%, #fbfaff 100%);
    --gradient-primary: linear-gradient(135deg, #5d4ef5 0%, #8743f7 100%);
    --gradient-accent: linear-gradient(135deg, #ec1e67 0%, #f97316 100%);
    --gradient-mesh: radial-gradient(at 40% 20%, hsl(250 100% 95%) 0px, transparent 50%),
                     radial-gradient(at 80% 0%, hsl(280 100% 95%) 0px, transparent 50%),
                     radial-gradient(at 0% 50%, hsl(340 100% 96%) 0px, transparent 50%);

    /* Depth & Shadows */
    --card-shadow: 0 4px 18px -4px rgba(93, 78, 245, 0.07), 0 2px 6px -2px rgba(0, 0, 0, 0.03);
    --hover-shadow: 0 18px 38px -8px rgba(93, 78, 245, 0.16), 0 4px 12px -2px rgba(93, 78, 245, 0.05);
    --shadow-glow: 0 0 35px rgba(93, 78, 245, 0.22);
    --shadow-glow-accent: 0 0 35px rgba(236, 30, 103, 0.22);

    /* Border Radii */
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --radius-2xl: 1.5rem;
}

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text-main);
    background-color: var(--body-bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography – Space Grotesk for Headings */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6,
.font-heading, .navbar-brand {
    font-family: 'Space Grotesk', system-ui, sans-serif;
    color: var(--dark-color);
    font-weight: 700;
    letter-spacing: -0.025em;
}

/* Base Link */
a {
    color: var(--primary-color);
    transition: color 0.15s ease;
}
a:hover {
    color: var(--primary-hover);
}

/* =============================================
   Header & Navbar (Sleek Glassmorphic)
   ============================================= */
.navbar {
    background-color: rgba(255, 255, 255, 0.88) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.2s ease-in-out;
    padding-top: 0.65rem;
    padding-bottom: 0.65rem;
}

.navbar-brand {
    font-size: 1.28rem;
    font-weight: 800;
    letter-spacing: -0.035em;
    display: flex;
    align-items: center;
}

.brand-icon-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(93, 78, 245, 0.35);
    margin-right: 0.6rem;
    font-size: 1.05rem;
}

.brand-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    background: var(--accent-color);
    border-radius: 50%;
    margin-left: 2px;
    box-shadow: 0 0 8px rgba(236, 30, 103, 0.6);
}

.nav-link {
    font-size: 0.92rem;
    font-weight: 500;
    color: #55556d;
    padding: 0.42rem 0.85rem !important;
    border-radius: 9999px;
    transition: all 0.18s ease;
}
.nav-link:hover {
    color: var(--primary-color) !important;
    background-color: var(--primary-light);
}
.nav-link.active {
    color: var(--primary-color) !important;
    background-color: var(--primary-light);
    font-weight: 600;
}

/* Nav search bar */
.navbar-search-input {
    background: #f4f4f9;
    border: 1.5px solid var(--border-color);
    border-radius: 9999px;
    font-size: 0.86rem;
    padding: 0.42rem 0.9rem;
    transition: all 0.2s ease;
    width: 220px;
}
.navbar-search-input:focus {
    background: #ffffff;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(93, 78, 245, 0.14);
    outline: none;
    width: 250px;
}
.navbar-search-btn {
    border-radius: 9999px;
    background: transparent;
    border: none;
    color: var(--primary-color);
}

/* Dropdown Menu */
.dropdown-menu {
    border: 1px solid var(--border-color) !important;
    border-radius: 1rem !important;
    box-shadow: 0 14px 34px -8px rgba(20, 20, 40, 0.12) !important;
    padding: 0.5rem;
    background: #ffffff;
}
.dropdown-item {
    font-size: 0.88rem;
    font-weight: 500;
    border-radius: 0.5rem;
    padding: 0.55rem 0.85rem;
    color: #444458;
    transition: all 0.15s ease;
}
.dropdown-item:hover, .dropdown-item:focus {
    background-color: var(--primary-light);
    color: var(--primary-color);
    transform: translateX(2px);
}

/* =============================================
   Hero Section – azpps Two-Column Mesh & Glow
   ============================================= */
.hero-section {
    background: var(--gradient-mesh), var(--gradient-hero);
    border-bottom: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

/* Decorative ambient glow circle */
.hero-section::before {
    content: "";
    position: absolute;
    top: -100px;
    right: 15%;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(135, 67, 247, 0.12) 0%, transparent 70%);
    pointer-events: none;
    border-radius: 50%;
}

/* Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.35rem 0.95rem;
    background: #ffffff;
    border: 1px solid rgba(93, 78, 245, 0.2);
    border-radius: 9999px;
    box-shadow: 0 2px 10px rgba(93, 78, 245, 0.08);
}
.hero-badge-sparkle {
    color: var(--primary-color);
    font-size: 0.85rem;
    animation: heroSparkle 2.5s infinite ease-in-out;
}
@keyframes heroSparkle {
    0%, 100% { transform: scale(1) rotate(0deg); opacity: 1; }
    50% { transform: scale(1.25) rotate(15deg); opacity: 0.8; }
}
.hero-badge-text {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Headline */
.hero-headline {
    font-size: clamp(2.1rem, 4.4vw, 3.25rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.035em;
    color: var(--dark-color);
}
.hero-headline-accent {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

/* Subtitle */
.hero-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 480px;
}

/* Stats Row */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.hero-stat {
    display: flex;
    flex-direction: column;
}
.hero-stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--dark-color);
    letter-spacing: -0.03em;
    line-height: 1.1;
    font-family: 'Space Grotesk', system-ui, sans-serif;
}
.hero-stat-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 3px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.hero-stat-divider {
    width: 1px;
    height: 38px;
    background: #d8d8e5;
    flex-shrink: 0;
}

/* =============================================
   Hero Search Card (Floating azpps Container)
   ============================================= */
.hero-search-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    padding: 2.1rem;
    box-shadow:
        0 4px 6px -1px rgba(93, 78, 245, 0.05),
        0 24px 48px -10px rgba(93, 78, 245, 0.12),
        0 0 0 1px rgba(255, 255, 255, 0.8) inset;
    position: relative;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.hero-search-card:hover {
    transform: translateY(-2px);
    box-shadow:
        0 4px 8px -1px rgba(93, 78, 245, 0.06),
        0 30px 60px -12px rgba(93, 78, 245, 0.16);
}
.hero-card-title {
    font-family: 'Space Grotesk', system-ui, sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 0.25rem;
    letter-spacing: -0.02em;
}
.hero-card-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.35rem;
}
.hero-card-section-label {
    font-size: 0.76rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.65rem;
    display: flex;
    align-items: center;
}

/* Card Search Input */
.hero-card-form {
    margin-bottom: 0;
}
.hero-card-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}
.hero-card-search-icon {
    position: absolute;
    left: 1rem;
    color: #9da0b5;
    font-size: 1rem;
    pointer-events: none;
    z-index: 2;
}
.hero-card-input {
    width: 100%;
    height: 48px;
    padding-left: 2.75rem;
    padding-right: 3.25rem;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    background: #f9f9fd;
    font-size: 0.94rem;
    color: var(--text-main);
    outline: none;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.hero-card-input::placeholder { color: #b5b8cb; }
.hero-card-input:focus {
    border-color: var(--primary-color);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(93, 78, 245, 0.14);
}
.hero-card-kbd {
    position: absolute;
    right: 0.85rem;
    background: #eef0f7;
    border: 1px solid #dcdce8;
    border-radius: 0.35rem;
    color: #7b7e95;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.15rem 0.45rem;
    font-family: inherit;
    user-select: none;
    pointer-events: none;
}

/* Category pills */
.hero-cat-pill {
    display: inline-block;
    padding: 0.35rem 0.9rem;
    border-radius: 9999px;
    border: 1.5px solid var(--border-color);
    background: #ffffff;
    font-size: 0.82rem;
    font-weight: 500;
    color: #3b3b4f;
    text-decoration: none;
    transition: all 0.18s ease;
    white-space: nowrap;
}
.hero-cat-pill:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: var(--primary-light);
    transform: translateY(-1px);
}

/* Trending pills */
.hero-trend-pill {
    display: inline-block;
    padding: 0.32rem 0.85rem;
    border-radius: 9999px;
    background: #f7f7fc;
    border: 1px solid #e7e7f1;
    font-size: 0.82rem;
    font-weight: 500;
    color: #4b4b60;
    text-decoration: none;
    transition: all 0.18s ease;
    white-space: nowrap;
}
.hero-trend-pill:hover {
    background: var(--primary-light);
    border-color: rgba(93, 78, 245, 0.3);
    color: var(--primary-color);
    transform: translateY(-1px);
}

/* =============================================
   Category Cards (azpps Palette & Icon Boxes)
   ============================================= */
.category-card {
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    background: #ffffff;
    position: relative;
    overflow: hidden;
}
.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--hover-shadow);
    border-color: rgba(93, 78, 245, 0.35);
}
.category-card:hover .cat-browse-arrow {
    transform: translateX(4px);
    color: var(--primary-color);
}

.category-icon-box {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 0.85rem;
    transition: transform 0.2s ease;
}
.category-card:hover .category-icon-box {
    transform: scale(1.08);
}

/* Category-specific icon color themes matching azpps */
.cat-theme-finance      { background: #eef2ff; color: #5d4ef5; }
.cat-theme-health       { background: #ecfdf5; color: #10b981; }
.cat-theme-math         { background: #eff6ff; color: #3b82f6; }
.cat-theme-construction { background: #fff7ed; color: #f97316; }
.cat-theme-engineering  { background: #f5f3ff; color: #8b5cf6; }
.cat-theme-business     { background: #ecfeff; color: #06b6d4; }
.cat-theme-marketing    { background: #fdf2f8; color: #ec4899; }
.cat-theme-education    { background: #fffbeb; color: #d97706; }
.cat-theme-converters   { background: #f0fdf4; color: #22c55e; }
.cat-theme-technology   { background: #faf5ff; color: #a855f7; }
.cat-theme-everyday     { background: #fef2f2; color: #ef4444; }
.cat-theme-date-time    { background: #f1f5f9; color: #64748b; }

.cat-browse-arrow {
    transition: transform 0.2s ease, color 0.2s ease;
    font-size: 0.85rem;
}

/* =============================================
   Calculator Cards (.calc-card)
   ============================================= */
.calc-card {
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: #ffffff;
}
.calc-card:hover {
    border-color: rgba(93, 78, 245, 0.4);
    transform: translateY(-3px);
    box-shadow: var(--hover-shadow);
}
.calc-card h3 a {
    color: var(--dark-color);
    transition: color 0.15s ease;
}
.calc-card:hover h3 a {
    color: var(--primary-color);
}

/* Category Badge Pills */
.badge-pill-soft {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.65rem;
    border-radius: 9999px;
    font-size: 0.72rem;
    font-weight: 600;
    background-color: var(--primary-light);
    color: var(--primary-color);
    text-decoration: none;
}

/* =============================================
   Interactive Calculator Tool Container
   ============================================= */
.calculator-tool-container {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    box-shadow: var(--card-shadow);
}
.calculator-form-side {
    background: #ffffff;
    border-radius: var(--radius-2xl) 0 0 var(--radius-2xl);
}
.calculator-result-side {
    background: #fbfaff;
    border-left: 1px solid var(--border-color);
    border-radius: 0 var(--radius-2xl) var(--radius-2xl) 0;
}
@media (max-width: 991.98px) {
    .calculator-form-side {
        border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    }
    .calculator-result-side {
        border-left: none;
        border-top: 1px solid var(--border-color);
        border-radius: 0 0 var(--radius-2xl) var(--radius-2xl);
    }
}

/* Form Inputs */
.form-label {
    font-weight: 600;
    font-size: 0.88rem;
    color: #3b3b52;
    margin-bottom: 0.35rem;
}
.form-control, .form-select {
    padding: 0.65rem 0.95rem;
    border-radius: var(--radius-md);
    border: 1.5px solid var(--border-color);
    background-color: #ffffff;
    font-size: 0.95rem;
    color: var(--text-main);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(93, 78, 245, 0.15);
    outline: none;
}

/* Calculation Result Output Card */
.calculation-result-card {
    background: #ffffff;
    border: 1px solid rgba(93, 78, 245, 0.2);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: 0 8px 24px -4px rgba(93, 78, 245, 0.12);
}
.result-highlight-value {
    font-family: 'Space Grotesk', system-ui, sans-serif;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1.1;
    letter-spacing: -0.03em;
}

/* Primary Button Styling */
.btn-primary {
    background: var(--gradient-primary);
    border: none;
    color: #ffffff;
    font-weight: 600;
    padding: 0.65rem 1.4rem;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 14px rgba(93, 78, 245, 0.28);
    transition: all 0.2s ease;
}
.btn-primary:hover, .btn-primary:focus {
    background: linear-gradient(135deg, #4f3ee8 0%, #7632ee 100%);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 8px 22px rgba(93, 78, 245, 0.38);
}
.btn-outline-primary {
    color: var(--primary-color);
    border: 1.5px solid rgba(93, 78, 245, 0.4);
    background: #ffffff;
    font-weight: 600;
    transition: all 0.18s ease;
}
.btn-outline-primary:hover {
    background: var(--primary-light);
    border-color: var(--primary-color);
    color: var(--primary-hover);
    transform: translateY(-1px);
}

/* =============================================
   Long-Form Prose & Article Typography
   ============================================= */
.page-body, .blog-article-content, .calculator-intro, .calculator-how-to {
    font-size: 1.05rem;
    color: #3b3b52;
    line-height: 1.8;
}
.blog-article-content h2, .page-body h2 {
    font-size: 1.65rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--border-color);
}
.blog-article-content h3, .page-body h3 {
    font-size: 1.3rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}
.blog-article-content p, .page-body p {
    margin-bottom: 1.25rem;
}

/* Social Share Buttons */
.btn-social-share {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #ffffff !important;
    transition: opacity 0.2s ease, transform 0.2s ease;
}
.btn-social-share:hover {
    opacity: 0.9;
    transform: scale(1.08);
}
.btn-share-facebook { background-color: #1877f2; }
.btn-share-twitter { background-color: #000000; }
.btn-share-linkedin { background-color: #0a66c2; }
.btn-share-whatsapp { background-color: #25d366; }
.btn-share-copy { background-color: #64748b; }

/* Breadcrumbs */
.breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    font-size: 1.1rem;
    line-height: 1;
    color: #94a3b8;
}

/* Accordion enhancements */
.accordion-item {
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-lg) !important;
    margin-bottom: 0.75rem;
    overflow: hidden;
    background: #ffffff;
}
.accordion-button {
    font-family: 'Space Grotesk', system-ui, sans-serif;
    font-weight: 600;
    color: var(--dark-color);
    padding: 1.1rem 1.25rem;
    background: #ffffff;
    box-shadow: none !important;
}
.accordion-button:not(.collapsed) {
    color: var(--primary-color);
    background-color: var(--primary-light);
}
.accordion-button::after {
    transition: transform 0.2s ease;
}

/* =============================================
   TESTIMONIALS SECTION
   ============================================= */
.testimonials-section {
    background: #f7f7fc;
    border-top: 1px solid var(--border-color);
}
.testi-header { max-width: 480px; }
.testi-badge {
    display: flex;
    align-items: center;
    gap: 0.55rem;
}
.testi-badge-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--primary-light);
    border-radius: 50%;
    color: var(--primary-color);
    font-size: 0.75rem;
}
.testi-badge-label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--primary-color);
}
.testi-title {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 800;
    color: var(--dark-color);
    letter-spacing: -0.03em;
    margin-bottom: 0.4rem;
}
.testi-sub {
    font-size: 0.97rem;
    color: var(--text-muted);
    margin-bottom: 0;
}
.testi-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}
@media (max-width: 991.98px) {
    .testi-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 575.98px) {
    .testi-grid { grid-template-columns: 1fr; }
}
.testi-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    transition: box-shadow 0.22s ease, transform 0.22s ease;
}
.testi-card:hover {
    box-shadow: var(--hover-shadow);
    transform: translateY(-3px);
}
.testi-card-hidden {
    display: none !important;
}
.testi-card-visible {
    display: flex !important;
    animation: testiReveal 0.35s ease forwards;
}
@keyframes testiReveal {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}
.testi-stars {
    color: #f59e0b;
    font-size: 1.05rem;
    letter-spacing: 2px;
    line-height: 1;
}
.testi-quote {
    font-size: 0.9rem;
    color: #3b3b52;
    line-height: 1.7;
    flex-grow: 1;
    margin-bottom: 0;
}
.testi-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: auto;
}
.testi-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    font-size: 0.9rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #ffffff;
}
.testi-av-purple  { background: #8b5cf6; }
.testi-av-blue    { background: #3b82f6; }
.testi-av-teal    { background: #14b8a6; }
.testi-av-indigo  { background: #5d4ef5; }
.testi-av-green   { background: #22c55e; }
.testi-av-orange  { background: #f97316; }

.testi-name {
    font-family: 'Space Grotesk', system-ui, sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--dark-color);
    line-height: 1.2;
}
.testi-role {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 1px;
}
.testi-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1.5px solid var(--border-color);
    background: #ffffff;
    color: var(--primary-color);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(93, 78, 245, 0.08);
}
.testi-toggle-btn:hover {
    background: var(--primary-light);
    border-color: var(--primary-color);
    box-shadow: 0 4px 16px rgba(93, 78, 245, 0.15);
}

/* =============================================
   Deep Minimal Footer (azpps.com style)
   ============================================= */
footer {
    background-color: var(--dark-surface);
    color: #8b8b9e;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
footer h6 {
    color: #ffffff !important;
    font-family: 'Space Grotesk', system-ui, sans-serif;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
}
footer a {
    color: #9f9fb5;
    text-decoration: none;
    transition: color 0.15s ease, transform 0.15s ease;
}
footer a:hover {
    color: #ffffff;
}
footer .footer-social-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #c0c0d2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}
footer .footer-social-btn:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(93, 78, 245, 0.4);
}

/* Print Friendly Rules */
@media print {
    .navbar, footer, .ad-placement-wrap, .btn-social-share, #btnResetCalc, #calculatorSearchBox {
        display: none !important;
    }
    .calculator-tool-container, .calculation-result-card {
        border: none !important;
        box-shadow: none !important;
    }
}