/* ==========================================================================
   PocketCalcs Base Stylesheet
   Version: 1.0.0

   This file contains all shared styles for PocketCalcs calculators.
   Theme-specific colors are defined via CSS custom properties in theme files.
   ========================================================================== */

/* ==========================================================================
   CSS Custom Properties (Default values - override in theme files)
   ========================================================================== */
:root {
    /* Primary brand colors */
    --color-primary: #003049;
    --color-primary-hover: #00436a;
    --color-primary-rgb: 0, 48, 73;

    /* Accent colors */
    --color-accent: #fcbf49;
    --color-accent-light: #3b82f6;

    /* Header */
    --color-header-bg: #003049;
    --color-header-text: #ffffff;
    --color-header-hover: #bfdbfe;
    --color-beta-badge-bg: #3b82f6;

    /* Body */
    --color-bg-body: #f5f5f5;
    --color-bg-card: #ffffff;

    /* Text */
    --color-text-primary: #333333;
    --color-text-secondary: #666666;
    --color-text-muted: #334155;

    /* Form elements */
    --color-border: #dddddd;
    --color-border-focus: var(--color-primary);
    --color-input-bg: #ffffff;

    /* Results section */
    --color-results-from: #f0f9ff;
    --color-results-to: #e0f2fe;
    --color-results-border: #bae6fd;
    --color-results-text: #003049;

    /* FAQ section */
    --color-faq-from: #f0f9ff;
    --color-faq-to: #e0f2fe;
    --color-faq-border: #bae6fd;
    --color-faq-heading: #003049;

    /* Error states */
    --color-error: #dc2626;
    --color-error-light: rgba(220, 38, 38, 0.1);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.1);

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.2s ease;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

html {
    overflow-y: scroll;
}

body {
    background-color: var(--color-bg-body);
    color: var(--color-text-primary);
    min-height: 100vh;
    padding-top: 0;
    margin: 0;
    line-height: 1.5;
}

/* ==========================================================================
   Header Styles
   ========================================================================== */
.header {
    background-color: var(--color-header-bg);
    background: var(--color-header-bg);
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow-md);
    width: 100%;
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.header-content {
    height: 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section {
    display: flex;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--color-header-text);
    gap: 0.25rem;
}

.logo-icon {
    width: 2rem;
    height: 2rem;
    background-image: url('/shared/images/logo.svg');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    display: inline-block;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--color-header-text);
}

.beta-badge {
    background-color: var(--color-beta-badge-bg);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    margin-left: 0.5rem;
    color: var(--color-header-text);
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-link {
    display: flex;
    align-items: center;
    color: var(--color-header-text);
    text-decoration: none;
    gap: 0.25rem;
    transition: color var(--transition-fast);
}

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

.support-link {
    background-color: rgba(255, 255, 255, 0.08);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    gap: 0.25rem;
    opacity: 0.7;
    transition: opacity 0.2s, background-color 0.2s;
}

.support-link:hover {
    background-color: rgba(255, 255, 255, 0.15);
    opacity: 1;
    color: white;
}

/* ==========================================================================
   Layout & Container Styles
   ========================================================================== */
.container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding: 0 20px;
}

.calculator-wrapper {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: 24px;
    position: relative;
    margin-top: 20px;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.2;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    line-height: 1.3;
}

/* Calculator title bar - only inside calculator wrapper */
.calculator-wrapper h1 {
    background-color: var(--color-accent);
    margin: -24px -24px 24px -24px;
    padding: 16px;
    border-top-left-radius: var(--radius-md);
    border-top-right-radius: var(--radius-md);
    font-size: 24px;
    font-weight: 600;
    text-align: center;
}

/* ==========================================================================
   Form Styles
   ========================================================================== */
.calculator-form {
    padding: 0;
}

.form-group {
    margin-bottom: 16px;
    background-color: transparent;
    border-radius: var(--radius-sm);
    padding: 0;
    border: none;
    box-shadow: none;
}

.form-group label,
.form-label {
    display: block;
    font-size: 16px;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: 6px;
}

.form-input,
.input-control {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 16px;
    background-color: var(--color-input-bg);
    transition: all var(--transition-fast);
    color: var(--color-text-primary);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.form-input:hover,
.input-control:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

.form-input:focus,
.input-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

/* Select input styles */
select.form-input,
select.input-control {
    appearance: none;
    -webkit-appearance: none;
    padding-right: 36px;
    cursor: pointer;
    background: var(--color-input-bg) url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%23333333' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 12px center;
}

/* Input container for grouped inputs */
.input-container {
    display: flex;
    gap: 8px;
}

/* Input with unit selector (e.g., "10 feet") */
.input-unit-group,
.input-group,
.dimension-group,
.salary-input,
.duration-input {
    display: flex;
    gap: 8px;
    align-items: stretch;
}

.input-unit-group .form-input,
.input-group .form-input,
.dimension-group input,
.salary-input input,
.duration-input input {
    flex: 1;
    min-width: 0;
}

/* Ensure inputs without .form-input class in grouped layouts are styled */
.input-group input[type="number"],
.dimension-group input[type="number"],
.salary-input input[type="number"],
.duration-input input[type="number"] {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 16px;
    background-color: var(--color-input-bg);
    transition: all var(--transition-fast);
    color: var(--color-text-primary);
    flex: 1;
    min-width: 0;
}

.input-group input[type="number"]:hover,
.dimension-group input[type="number"]:hover,
.salary-input input[type="number"]:hover,
.duration-input input[type="number"]:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

.input-group input[type="number"]:focus,
.dimension-group input[type="number"]:focus,
.salary-input input[type="number"]:focus,
.duration-input input[type="number"]:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

/* Date and time inputs */
.input-group input[type="time"],
.input-group input[type="date"],
.input-group input[type="datetime-local"],
input[type="time"].form-input,
input[type="date"].form-input,
input[type="datetime-local"].form-input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 16px;
    background-color: var(--color-input-bg);
    color: var(--color-text-primary);
    transition: border-color 0.2s, box-shadow 0.2s;
    -webkit-appearance: none;
    appearance: none;
    min-height: 44px;
}

.input-group input[type="time"]:hover,
.input-group input[type="date"]:hover,
.input-group input[type="datetime-local"]:hover,
input[type="time"].form-input:hover,
input[type="date"].form-input:hover,
input[type="datetime-local"].form-input:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

.input-group input[type="time"]:focus,
.input-group input[type="date"]:focus,
.input-group input[type="datetime-local"]:focus,
input[type="time"].form-input:focus,
input[type="date"].form-input:focus,
input[type="datetime-local"].form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

/* Style the calendar/clock icons in date/time inputs */
input[type="time"]::-webkit-calendar-picker-indicator,
input[type="date"]::-webkit-calendar-picker-indicator,
input[type="datetime-local"]::-webkit-calendar-picker-indicator {
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s;
}

input[type="time"]::-webkit-calendar-picker-indicator:hover,
input[type="date"]::-webkit-calendar-picker-indicator:hover,
input[type="datetime-local"]::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
}

/* Unit select dropdowns */
.unit-select,
.select-input,
.salary-input select,
.duration-input select {
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 16px;
    background-color: var(--color-input-bg);
    color: var(--color-text-primary);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    padding-right: 36px;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%23333333' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    transition: all var(--transition-fast);
    min-width: 90px;
}

.unit-select:hover,
.select-input:hover,
.salary-input select:hover,
.duration-input select:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

.unit-select:focus,
.select-input:focus,
.salary-input select:focus,
.duration-input select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

/* Unit label (static text like "kg" or "cm") */
.unit-label {
    display: flex;
    align-items: center;
    padding: 0 12px;
    background-color: var(--color-bg-body);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

/* Height imperial group (feet + inches side by side) */
.height-imperial-group {
    display: flex;
    gap: 8px;
}

.height-imperial-group .input-unit-group {
    flex: 1;
}

/* Error states */
.form-input.error,
.input-control.error {
    border-color: var(--color-error);
    background-color: var(--color-input-bg);
}

.form-input.error:hover,
.input-control.error:hover {
    border-color: var(--color-error);
    box-shadow: 0 1px 2px var(--color-error-light);
}

.form-input.error:focus,
.input-control.error:focus {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px var(--color-error-light);
}

.error-message {
    color: var(--color-error);
    font-size: 14px;
    margin-top: 4px;
    display: none;
}

.error-message.visible {
    display: block;
}

/* Remove number input spinners */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type=number] {
    -moz-appearance: textfield;
}

/* ==========================================================================
   Button Styles
   ========================================================================== */
.calculate-button,
.action-button,
.primary-button,
.btn-primary {
    width: 100%;
    padding: 12px 24px;
    background: var(--color-primary);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-header-text);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all var(--transition-fast);
}

.calculate-button:hover,
.action-button:hover,
.primary-button:hover,
.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.calculate-button .material-icons {
    font-size: 20px;
}

.reset-button,
.secondary-button,
.btn-secondary {
    width: 100%;
    padding: 12px 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all var(--transition-fast);
}

.reset-button:hover,
.secondary-button:hover,
.btn-secondary:hover {
    background: var(--color-bg-body);
    border-color: var(--color-primary);
}

.reset-button .material-icons {
    font-size: 20px;
}

/* Button group - side by side buttons */
.button-group {
    display: flex;
    gap: 0.75rem;
    justify-content: stretch;
    width: 100%;
    margin-top: 16px;
}

/* Remove margin from buttons inside button-group */
.button-group .calculate-button,
.button-group .action-button,
.button-group .primary-button,
.button-group .submit-button,
.button-group .reset-button,
.button-group .secondary-button,
.button-group .btn-primary,
.button-group .btn-secondary,
.button-group button {
    margin-top: 0;
    flex: 1;
}

/* When button-group is inside form-group, reduce extra margin */
.form-group.button-group {
    margin-bottom: 0;
}

/* ==========================================================================
   Interior Page Styles (About, Privacy, Terms, Contact)
   ========================================================================== */
.main-content {
    flex-grow: 1;
    padding: 2rem 0;
}

.interior-container {
    max-width: 48rem;
}

.page-title {
    font-size: 1.875rem;
    font-weight: bold;
    color: #111827;
    margin-bottom: 0.5rem;
}

.page-description {
    color: #4b5563;
    margin-bottom: 2rem;
}

.content-section {
    margin-top: 1rem;
    margin-bottom: 2rem;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #111827;
    margin-bottom: 1rem;
}

.section-text {
    color: #4b5563;
    line-height: 1.625;
    margin-bottom: 1.5rem;
}

.section-list {
    list-style-position: outside;
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.section-list li {
    color: #4b5563;
    line-height: 1.625;
    margin-bottom: 0.5rem;
    padding-left: 0.5rem;
}

.section-list li:last-child {
    margin-bottom: 0;
}

.subsection-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #111827;
    margin-top: 1rem;
    margin-bottom: 0.75rem;
}

.breadcrumb-link {
    color: #4b5563;
    text-decoration: none;
}

.breadcrumb-link:hover {
    color: #2563eb;
}

/* ==========================================================================
   Contact Form Styles
   ========================================================================== */
.contact-form {
    background-color: white;
    border-radius: 0.5rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.form-textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 0.375rem;
    font-size: 16px;
    line-height: 1.25;
    color: var(--color-text-primary);
    background-color: var(--color-input-bg);
    transition: border-color 0.15s ease-in-out;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    resize: vertical;
    min-height: 6rem;
}

.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

.form-textarea::placeholder {
    color: #9ca3af;
}

/* Calculator submit button - matches calculate-button styling */
.calculator-wrapper .submit-button,
.calculator-form .submit-button {
    width: 100%;
    padding: 12px 24px;
    background: var(--color-primary);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-header-text);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all var(--transition-fast);
}

.calculator-wrapper .submit-button:hover,
.calculator-form .submit-button:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Contact form submit button - smaller styling */
.contact-form .submit-button {
    display: inline-block;
    width: auto;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.contact-form .submit-button:hover {
    background-color: var(--color-primary-hover);
    transform: none;
    box-shadow: none;
}

.contact-form .submit-button:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.3);
}

/* Form Messages */
.form-message {
    margin: 1rem 0;
    padding: 1rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-message-success {
    background-color: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #16a34a;
}

.form-message-error {
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    color: var(--color-error);
}

.form-message .material-icons {
    font-size: 1.25rem;
}

/* ==========================================================================
   Results Section
   ========================================================================== */
.results {
    background: linear-gradient(to bottom right, var(--color-results-from), var(--color-results-to));
    border: 1px solid var(--color-results-border);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-top: 24px;
}

.results-header {
    background: none;
    padding: 0;
    border: none;
    margin-bottom: 16px;
}

.results-title {
    font-size: 18px;
    color: var(--color-results-text);
    margin: 0;
    font-weight: 600;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-results-border);
}

.results-content {
    border: none;
}

.results-section {
    padding: 0;
    border: none;
    margin-bottom: 16px;
}

.results-section:last-child {
    margin-bottom: 0;
}

.results-section-title {
    color: var(--color-results-text);
    font-weight: 500;
    margin-bottom: 8px;
}

.results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    padding: 0;
}

.results-item {
    color: var(--color-results-text);
    font-size: 16px;
    line-height: 1.5;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-section,
.faq-container {
    margin-top: 32px;
    padding: 24px;
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.faq-section h2,
.faq-title {
    color: var(--color-faq-heading);
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 24px;
    text-align: center;
}

.faq-grid,
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.faq-item {
    background: linear-gradient(to bottom right, var(--color-faq-from), var(--color-faq-to));
    border: 1px solid var(--color-faq-border);
    border-radius: var(--radius-sm);
    padding: 16px;
}

.faq-question {
    color: var(--color-faq-heading);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.faq-answer {
    color: var(--color-text-muted);
    font-size: 16px;
    line-height: 1.5;
}

.faq-answer p {
    margin-bottom: 12px;
}

.faq-answer ul {
    list-style-type: none;
    padding-left: 0;
}

.faq-answer ul li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 8px;
}

.faq-answer ul li::before {
    content: "\2022";
    position: absolute;
    left: 8px;
    color: var(--color-faq-heading);
}

/* ==========================================================================
   Footer Styles
   ========================================================================== */
.footer {
    background-color: var(--color-header-bg);
    padding: 2rem 0;
    margin-top: 48px;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
}

/* LEFT: Brand & Copyright */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.footer-wordmark {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-header-text);
}

.footer-copyright {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
}

/* CENTER: Site Links */
.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.footer-links a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-header-text);
}

/* RIGHT: From the Team */
.footer-team {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-team-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-team-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.footer-team-links a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-team-links a:hover {
    color: var(--color-header-text);
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.hidden {
    display: none !important;
}

/* ==========================================================================
   Touch-Friendly Styles (iOS)
   ========================================================================== */
@supports (-webkit-touch-callout: none) {
    .form-input,
    .input-control,
    .calculate-button,
    .reset-button {
        min-height: 44px;
    }
}

/* ==========================================================================
   Responsive Styles
   ========================================================================== */
@media (max-width: 640px) {
    .header-container {
        padding: 0 1rem;
    }

    .logo-text {
        font-size: 1rem;
    }

    .beta-badge {
        font-size: 0.625rem;
        padding: 0.125rem 0.375rem;
    }

    .header-content {
        height: 3.5rem;
    }

    .calculator-wrapper {
        padding: 16px;
    }

    .calculator-wrapper h1 {
        margin: -16px -16px 16px -16px;
        font-size: 20px;
    }

    .faq-section,
    .faq-container {
        padding: 16px;
        margin-top: 24px;
    }

    .faq-section h2,
    .faq-title {
        font-size: 20px;
        margin-bottom: 16px;
    }

    .faq-grid,
    .faq-list {
        gap: 16px;
    }

    .faq-question {
        font-size: 16px;
    }

    .faq-answer {
        font-size: 14px;
    }

    .footer-container {
        padding: 0 1rem;
    }

    .footer {
        margin-top: 32px;
    }
}

@media (max-width: 480px) {
    .header {
        position: fixed;
    }

    body {
        padding-top: 3.5rem;
    }

    .logo-icon {
        width: 1.5rem;
        height: 1.5rem;
    }

    .results-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .input-container {
        flex-direction: column;
    }

    .button-group {
        flex-direction: column;
    }

    .footer {
        margin-top: 24px;
    }
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        text-align: left;
        gap: 0;
    }

    .footer-brand {
        align-items: flex-start;
    }

    .footer-links {
        justify-content: center;
    }

    .footer-team {
        align-items: flex-end;
    }

    .footer-team-links {
        justify-content: flex-end;
    }
}