/* ========================================
   CSS VARIABLES & THEME SYSTEM
   ======================================== */

:root {
    /* Light Theme Colors */
    --color-primary: #3B82F6;
    --color-primary-hover: #2563EB;
    --color-text-primary: #1F2937;
    --color-text-secondary: #6B7280;
    --color-text-muted: #9CA3AF;
    --color-background: #FFFFFF;
    --color-background-alt: #F6F7F8;
    --color-footer-bg: #F3F4F6;
    --color-border: #E5E7EB;
    --color-input-bg: #FFFFFF;
    --color-input-border: #D1D5DB;
    --color-shadow: rgba(0, 0, 0, 0.1);
    --color-header-bg: #FFFFFF;
    --color-card-bg: #FFFFFF;
}

/* Dark Theme */
[data-theme="dark"] {
    --color-primary: #3B82F6;
    --color-primary-hover: #60A5FA;
    --color-text-primary: #F9FAFB;
    --color-text-secondary: #D1D5DB;
    --color-text-muted: #9CA3AF;
    --color-background: #1F2937;
    --color-background-alt: #1A1A1A;
    --color-footer-bg: #374151;
    --color-border: #4B5563;
    --color-input-bg: #4B5563;
    --color-input-border: #6B7280;
    --color-shadow: rgba(0, 0, 0, 0.3);
    --color-header-bg: #1F2937;
    --color-card-bg: #2D2D2D;
}

/* ========================================
   GLOBAL STYLES
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--color-text-primary);
    background-color: var(--color-background);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--color-primary);
}

/* ========================================
   BUTTON STYLES
   ======================================== */

.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1.5;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

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

.btn-secondary:hover {
    background-color: var(--color-text-primary);
    color: white;
}

.btn:active {
    transform: translateY(0);
}

.btn:focus {
    outline: 3px solid rgba(59, 130, 246, 0.3);
    outline-offset: 2px;
}

/* ========================================
   HEADER COMPONENT
   ======================================== */

.header {
    background-color: var(--color-header-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.header.scrolled {
    box-shadow: 0 2px 12px var(--color-shadow);
}

.header-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

/* Logo Section */
.header-logo {
    flex-shrink: 0;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text-primary);
    font-size: 24px;
    font-weight: 700;
}

.logo-link:hover {
    color: var(--color-text-primary);
}

.logo-icon {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3px;
    width: 32px;
    height: 32px;
}

.logo-dot {
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
    animation: pulse 2s ease-in-out infinite;
}

.logo-dot:nth-child(1) { animation-delay: 0s; }
.logo-dot:nth-child(2) { animation-delay: 0.1s; }
.logo-dot:nth-child(3) { animation-delay: 0.2s; }
.logo-dot:nth-child(4) { animation-delay: 0.3s; }
.logo-dot:nth-child(5) { animation-delay: 0.4s; }
.logo-dot:nth-child(6) { animation-delay: 0.5s; }

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(0.95); }
}

.logo-text {
    letter-spacing: -0.5px;
}

/* Navigation Menu */
.header-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--color-text-primary);
    font-size: 15px;
    font-weight: 500;
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--color-primary);
}

.dropdown-icon {
    transition: transform 0.3s ease;
}

.dropdown:hover .dropdown-icon {
    transform: rotate(180deg);
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 12px;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    box-shadow: 0 8px 24px var(--color-shadow);
    min-width: 200px;
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
    list-style: none;
}

.dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 10px 16px;
    color: var(--color-text-primary);
    font-size: 14px;
    border-radius: 8px;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.dropdown-item:hover {
    background-color: var(--color-background-alt);
    color: var(--color-primary);
}

/* Header Actions */
.header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.btn-outline {
    background-color: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background-color: var(--color-background-alt);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 110;
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-background);
    padding: 20px 20px 100px 20px;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 99;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-nav-list {
    list-style: none;
    padding: 0;
    margin: 0 0 30px 0;
}

.mobile-nav-list > li {
    border-bottom: 1px solid var(--color-border);
}

.mobile-nav-link {
    display: block;
    padding: 16px 0;
    color: var(--color-text-primary);
    font-size: 16px;
    font-weight: 500;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
}

.mobile-nav-link:hover {
    color: var(--color-primary);
}

.mobile-dropdown {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.mobile-dropdown.active {
    max-height: 500px;
}

.mobile-dropdown .mobile-nav-link {
    padding: 12px 0 12px 20px;
    font-size: 14px;
    color: var(--color-text-secondary);
}

.mobile-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-block {
    width: 100%;
    text-align: center;
}

/* Responsive Design for Header */
@media (max-width: 992px) {
    .header-nav,
    .header-actions {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-menu {
        display: block;
    }

    .theme-toggle {
        top: 85px;
    }
}

/* ========================================
   FOOTER COMPONENT
   ======================================== */

.footer {
    background: linear-gradient(180deg, var(--color-footer-bg) 0%, var(--color-background-alt) 100%);
    color: var(--color-text-secondary);
    padding: 70px 0 0;
    margin-top: auto;
    transition: background-color 0.3s ease;
    border-top: 1px solid var(--color-border);
}

.footer-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Footer Main Content */
.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 50px;
}

/* Footer Brand Section */
.footer-brand {
    max-width: 350px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text-primary);
}

.footer-logo .logo-icon {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3px;
    width: 32px;
    height: 32px;
}

.footer-logo .logo-dot {
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

.footer-brand-description {
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 24px;
}

/* Social Media Icons - Modern Design */
.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.footer-social-link {
    width: 42px;
    height: 42px;
    background-color: var(--color-background);
    border: 2px solid var(--color-border);
    color: var(--color-text-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all 0.3s ease;
}

.footer-social-link:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* Footer Links Section */
.footer-links {
    display: flex;
    flex-direction: column;
}

.footer-links-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links-title i {
    color: var(--color-primary);
    font-size: 18px;
}

.footer-links-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links-list li {
    margin-bottom: 14px;
}

.footer-links-list a {
    color: var(--color-text-secondary);
    font-size: 14px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links-list a i {
    color: var(--color-primary);
    font-size: 14px;
    transition: transform 0.3s ease;
}

.footer-links-list a:hover {
    color: var(--color-primary);
    padding-left: 5px;
}

.footer-links-list a:hover i {
    transform: translateX(3px);
}

/* View All Link */
.footer-view-all {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 600;
    margin-top: 12px;
    transition: gap 0.3s ease;
}

.footer-view-all:hover {
    gap: 12px;
}

.footer-view-all i {
    font-size: 12px;
}

/* Footer Features Strip */
.footer-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    padding: 40px 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.footer-feature-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background-color: var(--color-background);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.footer-feature-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--color-shadow);
}

.footer-feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(59, 130, 246, 0.2) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 22px;
    flex-shrink: 0;
}

.footer-feature-content h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0 0 4px 0;
}

.footer-feature-content p {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin: 0;
}

/* Footer Bottom */
.footer-bottom {
    padding: 30px 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom-left {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-copyright {
    color: var(--color-text-muted);
    font-size: 14px;
    margin: 0;
}

.footer-copyright strong {
    color: var(--color-text-primary);
    font-weight: 700;
}

.footer-bottom-links {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.footer-bottom-links a {
    color: var(--color-text-secondary);
    font-size: 13px;
    transition: color 0.3s ease;
}

.footer-bottom-links a:hover {
    color: var(--color-primary);
}

.footer-bottom-links .separator {
    color: var(--color-border);
    font-size: 12px;
}

.footer-bottom-right {
    display: flex;
    align-items: center;
}

.footer-tagline {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-secondary);
    font-size: 14px;
    margin: 0;
}

.footer-tagline i {
    color: #EF4444;
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    25% { transform: scale(1.1); }
    50% { transform: scale(1); }
}

/* Responsive Design for Footer */
@media (max-width: 992px) {
    .footer-main {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

    .footer-brand {
        grid-column: span 2;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .footer {
        padding: 50px 0 0;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 35px;
        padding-bottom: 40px;
    }

    .footer-brand {
        grid-column: span 1;
    }

    .footer-features {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 30px 0;
    }

    .footer-feature-item {
        padding: 16px;
    }

    .footer-bottom-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .footer-bottom-right {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .footer {
        padding: 40px 0 0;
    }

    .footer-logo {
        font-size: 20px;
    }

    .footer-links-title {
        font-size: 15px;
    }

    .footer-social-link {
        width: 38px;
        height: 38px;
        font-size: 14px;
    }

    .footer-feature-icon {
        width: 45px;
        height: 45px;
        font-size: 20px;
    }

    .footer-feature-content h4 {
        font-size: 14px;
    }

    .footer-feature-content p {
        font-size: 12px;
    }

    .footer-bottom-links {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .footer-bottom-links .separator {
        display: none;
    }
}

/* ========================================
   THEME TOGGLE BUTTON & FLOATING BUTTONS
   ======================================== */

.floating-button-group {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 1000;
}

/* Common base style for all floating action buttons */
.floating-action-button {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    background-color: var(--color-primary);
    color: white;
    cursor: pointer;
    box-shadow: 0 4px 16px var(--color-shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: all 0.3s ease;
    position: relative;
}

.floating-action-button:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.floating-action-button:active {
    transform: translateY(-1px);
}

.floating-action-button:focus-visible {
    outline: 3px solid rgba(59, 130, 246, 0.4);
    outline-offset: 3px;
}

/* Theme Toggle Button */
.theme-toggle {
    background-color: var(--color-primary);
}

.theme-toggle i {
    font-size: 22px;
}

/* Scroll to Top Button */
.scroll-top-button {
    background-color: var(--color-primary);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px) scale(0.8);
    pointer-events: none;
    transition: all 0.3s ease;
}

.scroll-top-button.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.scroll-top-button:hover {
    background-color: var(--color-primary-hover);
}

.scroll-top-button i {
    font-size: 20px;
}

/* Responsive adjustments for floating buttons */
@media (max-width: 768px) {
    .floating-button-group {
        bottom: 20px;
        right: 20px;
        gap: 10px;
    }

    .floating-action-button {
        width: 50px;
        height: 50px;
        font-size: 18px;
    }

    .theme-toggle i {
        font-size: 20px;
    }

    .scroll-top-button i {
        font-size: 18px;
    }

    /* Ensure floating buttons don't interfere with mobile menu */
    body:has(.mobile-menu.active) .floating-button-group {
        z-index: 98;
    }
}

@media (max-width: 480px) {
    .floating-button-group {
        bottom: 16px;
        right: 16px;
        gap: 8px;
/*        bottom: 20px;
        right: 20px;
        gap: 100px;*/
    }

    .floating-action-button {
        width: 48px;
        height: 48px;
        font-size: 16px;
    }

    .theme-toggle i {
        font-size: 18px;
    }

    .scroll-top-button i {
        font-size: 16px;
    }
}

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

@media (max-width: 768px) {
    .footer-main {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-brand,
    .footer-newsletter {
        max-width: 100%;
    }

    .footer-newsletter-form {
        flex-direction: column;
    }

    .footer-newsletter-button {
        width: 100%;
    }

    .footer-bottom-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-bottom-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
}

/* ========================================
   HOMEPAGE - HERO SECTION
   ======================================== */

.hero-section {
    background-color: var(--color-background-alt);
    padding: 80px 0;
    min-height: 600px;
    display: flex;
    align-items: center;
    width: 100%;
}

.hero-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-description {
    font-size: 18px;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

@media (max-width: 992px) {
    .hero-section {
        padding: 60px 0;
        min-height: auto;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-content {
        margin: 0 auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-calculator {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 640px) {
    .hero-section {
        padding: 48px 0;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-description {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
        text-align: center;
    }
}

/* Calculator Component */
.hero-calculator {
    display: flex;
    justify-content: center;
    align-items: center;
}

.calculator {
    background-color: var(--color-card-bg);
    border-radius: 24px;
    box-shadow: 0 20px 60px var(--color-shadow);
    padding: 24px;
    max-width: 380px;
    width: 100%;
}

.calculator-display {
    background-color: var(--color-background-alt);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 20px;
}

.calculator-screen {
    font-size: 36px;
    font-weight: 600;
    color: var(--color-text-primary);
    text-align: right;
    min-height: 48px;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.calculator-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.calc-btn {
    min-height: 64px;
    height: 64px;
    width: 100%;
    border: none;
    border-radius: 18px;
    font-size: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.calc-btn-light {
    background-color: rgba(229, 231, 235, 0.7);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

[data-theme="dark"] .calc-btn-light {
    background-color: rgba(255, 255, 255, 0.05);
}

.calc-btn-gray {
    background-color: #4B5563;
    color: #FFFFFF;
}

[data-theme="dark"] .calc-btn-gray {
    background-color: #6B7280;
}

.calc-btn-orange {
    background-color: #FF9500;
    color: #FFFFFF;
}

.calc-btn-orange:hover {
    background-color: #FFAD33;
}

.calc-btn-wide {
    grid-column: span 2;
    border-radius: 32px;
}

.calc-btn:focus-visible {
    outline: 3px solid rgba(59, 130, 246, 0.3);
    outline-offset: 2px;
}

@media (max-width: 600px) {
    .calculator {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .calculator-buttons {
        gap: 10px;
    }

    .calc-btn {
        min-height: 56px;
        height: 56px;
        font-size: 18px;
    }
}

/* ========================================
   HOMEPAGE - CATEGORIES SECTION
   ======================================== */

.categories-section {
    padding: 70px 0;
    background-color: var(--color-background);
    width: 100%;
}

.categories-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.categories-grid {
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.category-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 28px 24px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: block;
    text-decoration: none;
    color: inherit;
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px var(--color-shadow);
    color: inherit;
}

.category-card:hover .category-title {
    color: var(--color-primary);
}

.category-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    border-radius: 18px;
    background: rgba(59, 130, 246, 0.12);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
}

.category-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
}

@media (max-width: 768px) {
    .categories-section {
        padding: 60px 0;

    }

    .categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 16px;
    }
}

/* ========================================
   HOMEPAGE - FEATURED SECTION
   ======================================== */

.featured-section {
    padding: 80px 0;
    background-color: var(--color-background);
    width: 100%;
}

.section-container {
    width: 100%;
    margin: 0 auto;
    padding: 0 clamp(16px, 4vw, 32px);
    max-width: clamp(320px, 90vw, 1200px);
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-text-primary);
    text-align: center;
    margin-bottom: 8px;
}

.section-subtitle {
    font-size: 14px;
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: 40px;
}

.calculator-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
}

.calculator-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 24px 28px;
    transition: all 0.25s ease;
}

.calculator-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px var(--color-shadow);
}

.calculator-card-icon {
    width: 40px;
    height: 40px;
    background: rgba(59, 130, 246, 0.15);
    color: var(--color-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    margin-bottom: 14px;
}

.calculator-card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 8px;
}

.calculator-card-description {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.btn-sm {
    padding: 6px 18px;
    font-size: 12px;
    border-radius: 6px;
}

@media (max-width: 768px) {
    .featured-section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 28px;
    }

    .calculator-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* ========================================
   HOMEPAGE - BENEFITS STRIP (AFTER FEATURED)
   ======================================== */

.benefits-strip {
    padding: 40px 0;
    background-color: var(--color-background-alt);
    width: 100%;
}

.benefits-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
    gap: 32px;
    text-align: center;
}

.benefit-item {
    color: var(--color-text-secondary);
}

.benefit-icon {
    font-size: 28px;
    margin-bottom: 12px;
    color: var(--color-primary);
}

.benefit-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 6px;
}

.benefit-text {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .benefits-strip {
        padding: 32px 0;
    }

    .benefits-grid {
        gap: 24px;
        grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
        padding-top: 32px;
    }
}

/* ========================================
   HOMEPAGE - HOW IT WORKS SECTION
   ======================================== */

.how-it-works-section {
    padding: 80px 0;
    background-color: var(--color-background-alt);
    width: 100%;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.step-item {
    text-align: center;
    position: relative;
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    box-shadow: 0 4px 12px var(--color-shadow);
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: 30px auto 20px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 32px;
    transition: all 0.3s ease;
}

.step-item:hover .step-icon {
    transform: scale(1.1);
    background: var(--color-primary);
    color: white;
}

.step-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 12px;
}

.step-description {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .how-it-works-section {
        padding: 60px 0;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}

/* ========================================
   HOMEPAGE - STATISTICS SECTION
   ======================================== */

.stats-section {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    color: white;
    width: 100%;
}

.stats-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: white;
    margin-bottom: 8px;
    line-height: 1;
}

.stat-label {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

@media (max-width: 768px) {
    .stats-section {
        padding: 50px 0;
    }

    .stats-grid {
        gap: 30px;
    }

    .stat-number {
        font-size: 36px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .stat-number {
        font-size: 32px;
    }

    .stat-label {
        font-size: 14px;
    }
}

/* ========================================
   HOMEPAGE - TESTIMONIALS SECTION
   ======================================== */

.testimonials-section {
    padding: 80px 0;
    background-color: var(--color-background);
    width: 100%;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.testimonial-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 30px;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--color-shadow);
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    color: #FFB800;
    font-size: 16px;
}

.testimonial-text {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--color-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 16px;
}

.author-info {
    flex: 1;
}

.author-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.author-role {
    font-size: 13px;
    color: var(--color-text-muted);
}

@media (max-width: 768px) {
    .testimonials-section {
        padding: 60px 0;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   HOMEPAGE - FAQ SECTION
   ======================================== */

.faq-section {
    padding: 80px 0;
    background-color: var(--color-background-alt);
    width: 100%;
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.faq-grid {
    margin-top: 50px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 12px var(--color-shadow);
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    background: none;
    border: none;
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    transition: color 0.3s ease;
}

.faq-question:hover {
    color: var(--color-primary);
}

.faq-question i {
    transition: transform 0.3s ease;
    color: var(--color-primary);
    font-size: 14px;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 24px 20px;
}

.faq-answer p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin: 0;
}

@media (max-width: 768px) {
    .faq-section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .faq-question {
        font-size: 14px;
        padding: 16px 20px;
    }

    .faq-answer p {
        font-size: 13px;
    }
}

/* ========================================
   HOMEPAGE - NEWSLETTER/CTA SECTION
   ======================================== */

.newsletter-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    position: relative;
    overflow: hidden;
    width: 100%;
}

.newsletter-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

.newsletter-container {
    max-width: 700px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    position: relative;
    z-index: 1;
}

.newsletter-content {
    text-align: center;
}

.newsletter-title {
    font-size: 36px;
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
}

.newsletter-description {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
    line-height: 1.6;
}

.newsletter-form {
    display: flex;
    gap: 12px;
    max-width: 500px;
    margin: 0 auto 16px;
}

.newsletter-input {
    flex: 1;
    padding: 16px 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 15px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.newsletter-input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.newsletter-input:focus {
    outline: none;
    border-color: white;
    background-color: rgba(255, 255, 255, 0.2);
}

.newsletter-button {
    padding: 16px 32px;
    background-color: white;
    color: var(--color-primary);
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.newsletter-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.newsletter-button i {
    transition: transform 0.3s ease;
}

.newsletter-button:hover i {
    transform: translateX(4px);
}

.newsletter-privacy {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.8);
}

@media (max-width: 768px) {
    .newsletter-section {
        padding: 60px 0;
    }

    .newsletter-title {
        font-size: 28px;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-button {
        width: 100%;
        justify-content: center;
    }
}

/* ========================================
   HOMEPAGE - ALTERNATING SECTION BACKGROUNDS
   ======================================== */

.home-page main > section.home-section-auto-bg {
    transition: background-color 0.3s ease;
}

.home-page main > section.home-section-auto-bg:nth-of-type(odd) {
    background-color: var(--color-background-alt);
}

.home-page main > section.home-section-auto-bg:nth-of-type(even) {
    background-color: var(--color-background);
}

.benefits-strip.home-section-auto-bg {
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

/* ========================================
   CATEGORY PAGE STYLES
   ======================================== */

/* Breadcrumb Section */
.breadcrumb-section {
    padding: 20px 0;
    background-color: var(--color-background-alt);
    border-bottom: 1px solid var(--color-border);
}

.breadcrumb {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 8px;
    align-items: center;
}

.breadcrumb-item {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "/";
    margin-right: 8px;
    color: var(--color-text-muted);
}

.breadcrumb-item a {
    color: var(--color-text-secondary);
    transition: color 0.3s ease;
}

.breadcrumb-item a:hover {
    color: var(--color-primary);
}

.breadcrumb-item.active {
    color: var(--color-text-primary);
    font-weight: 500;
}

/* Category Header Section */
.category-header-section {
    padding: 60px 0 40px;
    background-color: var(--color-background);
    text-align: center;
}

.category-header {
    max-width: 800px;
    margin: 0 auto;
}

.category-header-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    border-radius: 20px;
    background: rgba(59, 130, 246, 0.15);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
}

.category-header-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 16px;
    line-height: 1.2;
}

.category-header-description {
    font-size: 18px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Calculators Section */
.calculators-section {
    padding: 60px 0;
    background-color: var(--color-background-alt);
}

.category-group {
    margin-bottom: 50px;
}

.category-group:last-child {
    margin-bottom: 0;
}

.category-group-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 30px;
    display: inline-block;
    padding: 0;
    border: none;
    background-color: transparent;
}

.category-group-icon {
    margin-right: 12px;
    font-size: 28px;
}

.calculator-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 40px;
}

.calculator-list-item {
    position: relative;
}

/* Only apply bullet point styling to calculator links in the category page list */
.calculator-list .calculator-link {
    color: var(--color-primary);
    font-size: 16px;
    text-decoration: none;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    position: relative;
    transition: all 0.2s ease;
    line-height: 1.5;
}

    .calculator-list .calculator-link::before {
        content: '\2022';
        color: var(--color-primary);
        font-size: 16px;
        line-height: 1.5;
        flex-shrink: 0;
        font-weight: 400;
    }

.calculator-list .calculator-name {
    flex: 1;
    font-weight: 400;
}

.calculator-list .calculator-link:hover .calculator-name {
    text-decoration: underline;
}

.calculator-tooltip {
    display: none;
}

.no-calculators {
    text-align: center;
    padding: 60px 20px;
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    max-width: 500px;
    margin: 0 auto;
}

.no-calculators i {
    font-size: 48px;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.no-calculators p {
    font-size: 16px;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

/* Responsive Styles for Category Page */
@media (max-width: 992px) {
    .calculator-list {
        grid-template-columns: 1fr;
        gap: 14px;
    }
}

@media (max-width: 768px) {
    .category-header-section {
        padding: 40px 0 30px;
    }

    .category-header-icon {
        width: 64px;
        height: 64px;
        font-size: 28px;
    }

    .category-header-title {
        font-size: 32px;
    }

    .category-header-description {
        font-size: 16px;
    }

    .calculators-section {
        padding: 50px 0;
    }

    .category-group {
        margin-bottom: 40px;
    }

    .category-group-title {
        font-size: 22px;
    }

    .category-group-icon {
        font-size: 24px;
    }

    .calculator-list .calculator-link {
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .breadcrumb-section {
        padding: 15px 0;
    }

    .breadcrumb-item {
        font-size: 13px;
    }

    .category-header-section {
        padding: 32px 0 24px;
    }

    .category-header-title {
        font-size: 28px;
    }

    .category-header-description {
        font-size: 15px;
    }

    .category-group {
        margin-bottom: 32px;
    }

    .category-group-title {
        font-size: 20px;
    }

    .category-group-icon {
        font-size: 22px;
    }

    .calculator-list .calculator-link {
        font-size: 14px;
    }
}

/* Category Content Section */
.category-content-section {
    padding: 60px 0;
    background-color: var(--color-background);
}

.category-content {
/*    max-width: 900px;*/
    margin: 0 auto;
}

.category-content h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 16px;
    margin-top: 32px;
}

.category-content h2:first-child {
    margin-top: 0;
}

.category-content p {
    font-size: 16px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.category-content ul,
.category-content ol {
    margin-bottom: 16px;
    padding-left: 24px;
}

.category-content li {
    font-size: 16px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 8px;
}

@media (max-width: 768px) {
    .category-content-section {
        padding: 50px 0;
    }

    .category-content h2 {
        font-size: 24px;
    }

    .category-content p,
    .category-content li {
        font-size: 15px;
    }
}